I7 6th generation. Generations of Intel processors: description and characteristics of models

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Introduction

6th generation Intel® Core™ processors (Skylake) were introduced in 2015. With a host of core, SoC and platform enhancements over the previous generation 14nm processor (Broadwell), Skylake is a popular choice in a wide range of devices for work, creativity and play. This article provides an overview of Skylake's key features and enhancements, as well as new usage patterns such as voice wake and biometric sign-in in Windows* 10.

Skylake architecture

The 6th generation Intel Core processors are manufactured using 14nm technology to accommodate a more compact processor size and overall platform for use in various types of devices. At the same time, the performance of the architecture and graphics has also been improved, and advanced security features have been implemented. In Fig. Figure 1 shows these new and improved features. Actual configuration on OEM devices may vary.

Picture 1.Skylake architecture and summary improvements.

Main directions of processor development

Performance

The performance improvement directly results from providing more instructions to the execution unit: more instructions are executed per clock cycle. This result is achieved through improvements in four categories.

  • Improved frontend. With more accurate branch prediction and increased capacity, instruction decoding speed increases and prefetching is faster and more efficient.
  • Improved instruction parallelization. More instructions are processed per clock cycle, and instruction parallel execution is improved through more efficient buffering.
  • Improved execution units (IB). The performance of execution units has been improved compared to previous generations due to the following measures:
    • Delays have been shortened.
    • The number of information security units has been increased.
    • Improved power efficiency by turning off unused units.
    • The speed of execution of security algorithms has been increased.
  • Improved memory subsystem. In addition to improving the front-end, parallel processing of instructions and execution units, the memory subsystem has also been improved in accordance with the bandwidth and performance requirements of the components listed above. For this purpose the following measures were used:
    • Increased download and save throughput.
    • Improved prefetch module.
    • Storage at a deeper level.
    • Fill and writeback buffers.
    • Improved page miss handling.
    • Improved throughput on L2 cache misses.
    • New cache management instructions.

Figure 2.Skylake core microarchitecture diagram

In Fig. Figure 3 shows the improvement in parallel processing in Skylake processors compared to previous generations of processors (Sandy Bridge is the second, and Haswell is the fourth generation of Intel® Core™ processors).

Figure 3.Improved parallelization compared to previous generations of processors

Thanks to the improvements shown in Fig. 3, processor performance has increased by 60% compared to PCs five years ago, while video transcoding is 6 times faster, and graphics performance has increased 11 times.

Figure 4.6th Gen Intel® Core™ Processor Performance Compared to PCs 5 Years Old

  1. Source: Intel Corporation Based on SYSmark* 2014 performance of Intel® Core™ i5-6500 and Intel® Core™ i5-650 processors.
  2. Source: Intel Corporation Based on Intel® Core™ i5-6500 and Intel® Core™ i5-650 processors in Handbrake with QSV.
  3. Source: Intel Corporation Based on performance of Intel® Core™ i5-6500 and Intel® Core™ i5-650 processors in 3DMark* Cloud Gate benchmark.

For detailed performance comparisons between desktop PCs and laptops, see the following links:

Desktop Performance: http://www.intel.com/content/www/us/en/benchmarks/desktop/6th-gen-core-i5-6500.html

Laptop performance: http://www.intel.com/content/www/us/en/benchmarks/laptop/6th-gen-core-i5-6200u.html

Energy Saving

Configure resources based on dynamic consumption

Legacy systems use Intel® SpeedStep® technology to balance performance and power consumption using an on-demand resource-attachment algorithm. This algorithm is controlled by the operating system. This approach is not bad for a constant load, but is not optimal when the load increases sharply. With Skylake processors, Intel® Speed ​​Shift technology transfers control to the hardware instead of the operating system and enables the processor to reach its maximum clock speed in approximately 1 ms, providing more precise power management.

Figure 5.Comparison of Intel® Speed ​​Shift and Intel® SpeedStep® Technologies

The graph below shows the responsiveness of the Intel® Core™ i5 6200U Processor with Intel Speed ​​Shift Technology compared to Intel SpeedStep Technology.

  • Response speed increased by 45%.
  • Photo processing is 45% faster.
  • Graphing is 31% faster.
  • Local notes are 22% faster.
  • The average response speed increased by 20%.

[Based on Principled Technologies' WebXPRT* 2015 test*, which measures web app performance overall and in specific areas such as photo editing, note-taking, and charting. For more information, visit www.principledtechnologies.com.]

Additional power optimization is achieved by dynamically adjusting resources based on their consumption: by reducing the power of unused resources by limiting the power of Intel® AVX2 Vector Extensions when they are not in use, and by reducing power consumption when idle.

Multimedia and graphics

Intel® HD Graphics delivers a range of enhancements in 3D graphics processing, media processing, display, performance, power, customization, and scaling. This is a very powerful member of the family of integrated processor graphics (first introduced in second-generation Intel® Core™ processors). In Fig. Figure 6 compares some of these enhancements, delivering over 100x improvements in graphics performance.

[Peak shader FLOPS at 1 GHz]

Figure 6.Graphics subsystem capabilities in different generations of processors

Figure 7.Improved graphics and multimedia processing across generations

9th generation microarchitecture

The 9th generation graphics architecture is similar to the graphics microarchitecture of the 8th generation Intel® Core™ Broadwell (5th generation) processors, but is enhanced for performance and scalability. In Fig. Figure 8 shows a block diagram of the Generation 9 microarchitecture, which consists of three main components.

  • Screen. From the left side.
  • Outside the cut. L-shaped part in the middle. Includes a threaded command handler, a global thread manager, and a graphical interface (GTI).
  • Slice Includes execution units (EB).

Compared to the 8th generation, the 9th generation microarchitecture features higher maximum performance per 1 W, increased bandwidth, and a separate power supply/clock path for the off-cut component. This allows for more efficient power management during usage modes such as media playback. Slice is a custom component. For example, GT3 supports up to two slices (each slice with 24 execution units), GT4 (Halo) can support up to 3 slices (the number after the letters GT indicates the number of execution units based on their usage: GT1 supports 12 execution units, GT2 - 24, GT3 - 48, and GT4 - 72 execution units). The architecture is highly configurable to use a minimum number of execution units in low-load scenarios, so power consumption can range from 4 to more than 65 W. 9th Gen GPU API support is available in DirectX* 12, OpenCL™ 2.x, OpenGL* 5.x, and Vulkan*.

Figure 8.9th Generation GPU Architecture

For more information about these components, see (IDF link)

Enhancements and media processing capabilities include:

  • Consumption less than 1 W, consumption 1 W during video conferencing.
  • Accelerate raw camera video playback (RAW) with new VQE features to support RAW video playback up to 4K60 resolution on mobile platforms.
  • New New Intel® Quick Sync Video mode with fixed functions (FF).
  • Supports a wide range of fixed function codecs, GPU accelerated decoding.

In Fig. Figure 9 shows the codecs of the generation 9 GPU.

Note. Support for media codecs and processing may not be available on all operating systems and applications.

Figure 9.Codec support for Skylake processors

Screen enhancements and features include:

  • Blending, scaling, rotating and compressing an image.
  • Supports high pixel density (resolutions above 4K).
  • Supports wireless image transmission with resolutions up to 4K30.
  • Self-Renewal (PSR2).
  • CUI X.X - new features, increased performance.

The Intel® Core™ I7-6700K processors provide the following features for gamers (see Figure 10). Also supports Intel® Turbo Boost Technology 2.0, Intel® Hyper Threading Technology and overclocking capabilities. The performance increase compared to a PC five years ago reaches 80%. For more information, see this page: http://www.intel.com/content/www/us/en/processors/core/core-i7ee-processor.html

  1. Source: Intel Corporation Based on Intel® Core™ i7-6700K and Intel® Core™ i7-875K processors in SPECint*_rate_base2006 (Copy Ratio 8).
  2. Source: Intel Corporation Based on Intel® Core™ i7-6700K and Intel® Core™ i7-3770K processors in SPECint*_rate_base2006 (Copy Ratio 8).
  3. The capabilities described are available on select processor and chipset combinations. Warning. Changing clock speed and/or voltage may: (i) reduce system stability and reduce system and processor life; (ii) cause the processor or other system components to fail; (iii) cause system performance to degrade; (iv) cause additional heat or other damage; (v) affect the integrity of data in the system. Intel does not test or guarantee the performance of processors with specifications other than those specified.

Figure 10.Intel® Core™ i7-6700K Processor Features

Scalability

The Skylake microarchitecture is a custom core: a single design for two directions, one for client devices, one for servers, without compromising the power and performance requirements of both segments. In Fig. Figure 11 shows the different processor models and their power efficiency for use in different device sizes and types, from ultra-compact Compute Sticks to powerful Intel® Xeon®-based workstations.

Figure 11.Availability of Intel® Core™ processors for various types of devices

Advanced Security Features

Intel® Software Guard Extensions (Intel® SGX): Intel SGX is a set of new instructions in Skylake processors that enables application developers to protect sensitive data from unauthorized changes and access by third-party programs running with higher privileges. This gives applications the ability to maintain the confidentiality and integrity of sensitive information. Skylake supports instructions and threads to create secure enclaves, allowing the use of trusted memory areas. For more information about Intel SGX extensions, see this page:

Intel® Memory Protection Extensions (Intel® MPX): Intel MPX is a new set of instructions for checking for buffer overflows at runtime. These instructions allow you to check the boundaries of stack buffers and heap buffers before accessing memory, so that a process accessing memory can only access the area of ​​memory that is assigned to it. Intel MPX support is available in Windows* 10 using built-in Intel MPX functionality in Microsoft Visual Studio* 2015. Most C/C++ applications will be able to use Intel MPX by simply recompiling the applications without changing source code or linking to legacy libraries. When running libraries that support Intel MPX on systems that do not support Intel MPX (5th generation Intel® Core™ processors and earlier), performance is not affected in any way, either better or worse. You can also dynamically enable or disable Intel MPX support.

We've covered enhancements and improvements to the Skylake architecture. In the next section, we'll look at the features of Windows 10 that are optimized to take advantage of the Intel® Core™ architecture.

What's New in Windows 10

The capabilities of 6th Generation Intel Core processors are complemented by the capabilities of the Windows 10 operating system. Here are some of the key features of Intel hardware and the Windows 10 operating system that make Intel® platforms running Windows 10 run smarter, more stable, and faster.

Ϯ Intel and Microsoft are working together to bring further support to Windows.

Figure 12.Skylake and Windows* 10 features

Cortana

Microsoft's voice assistant, Cortana, is available in Windows* 10 and lets you control your PC with your voice by saying "Hey Cortana!" Voice Wake uses the CPU audio pipeline to improve recognition accuracy, but you can outsource this functionality to a hardware DSP with native support for Windows 10.

Windows Hello*

With biometric hardware and Microsoft Passport*, Windows Hello supports multiple sign-in mechanisms using facial, fingerprint, or iris recognition. The system, without installing any additional components, supports all these login capabilities without using a password. The Intel® RealSense™ Front Camera (F200/SR300) supports biometric authentication based on facial recognition.

Figure 13.Windows* Hello with Intel® RealSense™ Technology

Photos in Fig. 13 shows how the fiducial points detected on the face by the F200 are used for user identification and login. Based on the location of 78 fiducial points on the face, a face template is created the first time a user attempts to log in using facial recognition. On the next login attempt, the saved location of fiducial points obtained by the camera is compared with the saved template. The capabilities of Microsoft Passport combined with the capabilities of the camera can achieve security levels with false admission rates of 1 in 100,000 and false admission rates of 2-4% of cases.

Links

  1. Intel's next generation microarchitecture code-named Skylake by Julius Mandelblat: http://intelstudios.edgesuite.net/idf/2015/sf/ti/150818_spcs001/index.html
  2. Next-generation Intel® processor graphics architecture, code-named Skylake, by David Blythe: http://intelstudios.edgesuite.net/idf/2015/sf/ti/150818_spcs003/index.html
  3. Intel® architecture code-named Skylake and Windows* 10 better together, by Shiv Koushik: http://intelstudios.edgesuite.net/idf/2015/sf/ti/150819_spcs009/index.html
  4. Skylake for gamers: http://www.intel.com/content/www/us/en/processors/core/core-i7ee-processor.html
  5. Intel's best processor ever: http://www.intel.com/content/www/us/en/processors/core/core-processor-family.html
  6. Skylake Desktop Performance Benchmark: http://www.intel.com/content/www/us/en/benchmarks/desktop/6th-gen-core-i5-6500.html
  7. Skylake Laptop Performance Benchmark: http://www.intel.com/content/www/us/en/benchmarks/laptop/6th-gen-core-i5-6200u.html
  8. The compute architecture of Intel® processor graphics Gen9:
  • Translation

6th generation Intel Core processors (Skylake) appeared in 2015. With a host of core, SoC and platform enhancements over the previous generation 14nm processor (Broadwell), Skylake is a popular choice in a wide range of devices for work, creativity and play. This article provides an overview of Skylake's key features and enhancements, as well as new usage models such as voice wake and biometric login in Windows 10.

Skylake architecture

The 6th generation Intel Core processors are manufactured using 14nm technology to accommodate a more compact processor size and overall platform for use in various types of devices. At the same time, the performance of the architecture and graphics has also been improved, and advanced security features have been implemented. In Fig. Figure 1 shows these new and improved features. Actual configuration on OEM devices may vary.


Figure 1. Skylake architecture and summary of enhancements

Main directions of processor development

▍Performance

The performance improvement directly results from providing more instructions to the execution unit: more instructions are executed per clock cycle. This result is achieved through improvements in four categories.
  • Improved external interface. With more accurate branch prediction and increased capacity, instruction decoding speed increases and prefetching is faster and more efficient.
  • Improved instruction parallelization. More instructions are processed per clock cycle, and instruction parallel execution is improved through more efficient buffering.
  • Improved execution units (EB). The performance of execution units has been improved compared to previous generations due to the following measures:
    • Delays have been shortened.
    • The number of information security units has been increased.
    • Improved power efficiency by turning off unused units.
    • The speed of execution of security algorithms has been increased.
  • Improved memory subsystem. In addition to improving the front-end, parallel processing of instructions and execution units, the memory subsystem has also been improved in accordance with the bandwidth and performance requirements of the components listed above. For this purpose the following measures were used:
    • Increased download and save throughput.
    • Improved prefetch module.
    • Storage at a deeper level.
    • Fill and writeback buffers.
    • Improved page miss handling.
    • Improved throughput on L2 cache misses.
    • New cache management instructions.

Figure 2. Skylake core microarchitecture diagram

In Fig. Figure 3 shows the improvement in parallel processing in Skylake processors compared to previous generations of processors (Sandy Bridge is the second, and Haswell is the fourth generation of Intel Core processors).


Figure 3. Improved parallelization compared to previous generations of processors

Thanks to the improvements shown in Fig. 3, processor performance has increased by 60% compared to PCs five years ago, while video transcoding is 6 times faster, and graphics performance has increased 11 times.


Figure 4: 6th generation Intel Core processor performance compared to a five-year-old PC

  1. Source: Intel Corporation Based on SYSmark* 2014 results for Intel Core i5-6500 and Intel Core i5-650 processors.
  2. Source: Intel Corporation Based on results of Intel Core i5-6500 and Intel Core i5-650 processors in the Handbrake test with QSV.
  3. Source: Intel Corporation Based on results of Intel Core i5-6500 and Intel Core i5-650 processors in 3DMark* Cloud Gate benchmark.
For detailed performance comparisons between desktop PCs and laptops, see the following links:

▍Saving energy

Configure resources based on dynamic consumption

Legacy systems use Intel SpeedStep technology to balance performance and power consumption using an on-demand resource-attachment algorithm. This algorithm is controlled by the operating system. This approach is not bad for a constant load, but is not optimal when the load increases sharply. With Skylake processors, Intel Speed ​​Shift technology transfers control to the hardware instead of the operating system and allows the processor to reach its maximum clock speed in approximately 1 ms, providing more precise power management.


Figure 5. Comparison of Intel Speed ​​Shift and Intel SpeedStep technologies

The numbers below show the responsiveness of an Intel Core i5 6200U processor with Intel Speed ​​Shift technology compared to Intel SpeedStep technology.

  • Response speed increased by 45%.
  • Photo processing is 45% faster.
  • Graphing is 31% faster.
  • Local notes are 22% faster.
  • The average response speed increased by 20%.
Based on results from Principled Technologies' WebXPRT* 2015 test*, which measures the performance of web applications overall and in specific areas such as photo editing, note-taking, and charting. For more information, visit the website.

Additional power optimization is achieved by dynamically adjusting resources based on their consumption: by reducing the power of unused resources by limiting the power of Intel AVX2 Vector Extensions when they are not in use, and by reducing power consumption when idle.

▍Multimedia and graphics

Intel HD Graphics delivers a range of improvements in 3D graphics processing, multimedia processing, display, performance, power, customization and scaling. This is a very powerful device in the family of integrated graphics adapters (first introduced in the second generation Intel Core processors). In Fig. Figure 6 compares some of these enhancements, delivering over 100x improvements in graphics performance.


Figure 6. Graphics subsystem capabilities in different generations of processors


Figure 7. Improvements in graphics and multimedia processing across generations

9th generation microarchitecture
The 9th generation graphics architecture is similar to the graphics microarchitecture of the 8th generation Intel Core Broadwell (5th generation) processors, but is enhanced in terms of performance and scalability. In Fig. Figure 8 shows a block diagram of the Generation 9 microarchitecture, which consists of three main components.

  • Screen. From the left side.
  • Outside the cut. L-shaped part in the middle. Includes a threaded command handler, a global thread manager, and a graphical interface (GTI).
  • Slice Includes execution units (EB).
Compared to the 8th generation, the 9th generation microarchitecture features higher maximum performance per 1 W, increased bandwidth, and a separate power supply/clock path for the off-cut component. This allows for more efficient power management during usage modes such as media playback. Slice is a custom component. For example, GT3 supports up to two slices (each slice with 24 execution units), GT4 (Halo) can support up to 3 slices (the number after the letters GT indicates the number of execution units based on their usage: GT1 supports 12 execution units, GT2 - 24, GT3 - 48, and GT4 - 72 execution units). The architecture is highly configurable to use a minimum number of execution units in low-load scenarios, so power consumption can range from 4 to more than 65 W. 9th Gen GPU API support is available in DirectX* 12, OpenCL 2.x, OpenGL* 5.x, and Vulkan*.


Figure 8. 9th generation GPU architecture

For more information about these components, see .
Enhancements and media processing capabilities include:

  • Consumption less than 1 W, consumption 1 W during video conferencing.
  • Accelerate raw camera video playback (RAW) with new VQE features to support RAW video playback up to 4K60 resolution on mobile platforms.
  • New New Intel Quick Sync Video mode with fixed functions (FF).
  • Supports a wide range of fixed function codecs, GPU accelerated decoding.
In Fig. Figure 9 shows the codecs of the generation 9 GPU.

Note. Support for media codecs and processing may not be available on all operating systems and applications.


Figure 9. Codec support for Skylake processors

Screen enhancements and features include:

  • Blending, scaling, rotating and compressing an image.
  • Supports high pixel density (resolutions above 4K).
  • Supports wireless image transmission with resolutions up to 4K30.
  • Self-Renewal (PSR2).
  • CUI X.X - new features, increased performance.
The Intel Core I7-6700K processors provide the following features for gamers (see Figure 10). It also supports Intel Turbo Boost Technology 2.0, Intel Hyper-Threading Technology, and overclocking capabilities. The performance increase compared to a PC five years ago reaches 80%. See this page for more information.


Figure 10. Capabilities of Intel Core i7-6700K processors

  1. Source: Intel Corporation Based on the results of the Intel Core i7-6700K and Intel Core i7-875K processors in the SPECint*_rate_base2006 test (copy factor 8).
  2. Source: Intel Corporation Based on the results of the Intel Core i7-6700K and Intel Core i7-3770K processors in the SPECint*_rate_base2006 test (copy factor 8).
  3. The capabilities described are available on select processor and chipset combinations. Warning. Changing clock speed and/or voltage may: (i) reduce system stability and reduce system and processor life; (ii) cause the processor or other system components to fail; (iii) cause system performance to degrade; (iv) cause additional heat or other damage; (v) affect the integrity of data in the system. Intel does not test or guarantee the performance of processors with specifications other than those specified.

▍Scalability

The Skylake microarchitecture is a custom core: a single design for two directions, one for client devices, one for servers, without compromising the power and performance requirements of both segments. In Fig. Figure 11 shows the different processor models and their power efficiency for use in devices of different sizes and types - from ultra-compact Compute Sticks to powerful Intel Xeon-based workstations.


Figure 11. Availability of Intel Core processors for various types of devices

▍Advanced security features

Intel Software Guard Extensions (Intel SGX): Intel SGX is a set of new instructions in Skylake processors that enable application developers to protect sensitive data from unauthorized changes and access by third-party programs running with higher permissions. This gives applications the ability to maintain the confidentiality and integrity of sensitive information. Skylake supports instructions and threads to create secure enclaves, allowing the use of trusted memory areas. For more information about Intel SGX extensions, see this page.

Intel Memory Protection Extensions (Intel MPX): Intel MPX is a new set of instructions for checking for buffer overflows at runtime. These instructions allow you to check the boundaries of stack buffers and heap buffers before accessing memory, so that a process accessing memory can only access the area of ​​memory that is assigned to it. Intel MPX support is available in Windows* 10 using built-in Intel MPX functionality in Microsoft Visual Studio* 2015. Most C/C++ applications will be able to use Intel MPX by simply recompiling the applications without changing source code or linking to legacy libraries. When running libraries that support Intel MPX on systems that do not support Intel MPX (5th generation Intel Core processors and earlier), performance does not change in any way: neither increases nor decreases. You can also dynamically enable or disable Intel MPX support.
We've covered enhancements and improvements to the Skylake architecture. In the next section, we'll look at the features of Windows 10 that are optimized to take advantage of the Intel Core architecture.

What's New in Windows 10

The capabilities of 6th Generation Intel Core processors are complemented by the capabilities of the Windows 10 operating system. Here are some of the key features of Intel hardware and Windows 10 that help Intel platforms running Windows 10 run smarter, more stable, and faster.




Ϯ Intel and Microsoft are working together to bring further support to Windows
Figure 12. Skylake and Windows* 10 features

▍Cortana

Microsoft's voice assistant, Cortana, is available in Windows* 10 and lets you control your PC with your voice by saying "Hey Cortana!" Voice Wake uses the CPU audio pipeline to improve recognition accuracy, but you can outsource this functionality to a hardware DSP with native support for Windows 10.

▍Windows Hello*

With biometric hardware and Microsoft Passport*, Windows Hello supports multiple sign-in mechanisms using facial, fingerprint, or iris recognition. The system, without installing any additional components, supports all these login capabilities without using a password. The Intel RealSense front camera (F200/SR300) supports biometric authentication based on facial recognition.


Figure 13: Windows* Hello with Intel RealSense Technology

Photos in Fig. 13 shows how the fiducial points detected on the face by the F200 are used for user identification and login. Based on the location of 78 fiducial points on the face, a face template is created the first time a user attempts to log in using facial recognition. On the next login attempt, the saved location of fiducial points obtained by the camera is compared with the saved template. The capabilities of Microsoft Passport combined with the capabilities of the camera can achieve security levels with false admission rates of 1 in 100,000 and false admission rates of 2-4% of cases.

One day, a great sage in captain's uniform said that a computer would not be able to work without a processor. Since then, everyone has considered it their duty to find the very processor that will make their system fly like a fighter.

From this article you will learn:

Since we simply cannot cover all the chips known to science, we want to focus on one interesting family of the Intelovich family - Core i5. They have very interesting characteristics and good performance.

Why this series and not i3 or i7? It's simple: excellent potential without overpaying for unnecessary instructions that plague the seventh line. And there are more cores than in the Core i3. It’s quite natural for you to start arguing about support and find yourself partially right, but 4 physical cores can do much more than 2+2 virtual ones.

History of the series

Today on our agenda is a comparison of Intel Core i5 processors of different generations. Here I would like to touch upon such pressing topics as the thermal package and the presence of solder under the lid. And if we’re in the mood, we’ll also push particularly interesting stones together. So, let's go.

I would like to start with the fact that only desktop processors will be considered, and not options for a laptop. There will be a comparison of mobile chips, but another time.

The release frequency table looks like this:

Generation Year of issue Architecture Series Socket Number of cores/threads Level 3 cache
1 2009 (2010) Hehalem (Westmere) i5-7xx (i5-6xx) LGA 1156 4/4 (2/4) 8 MB (4 MB)
2 2011 Sandy Bridge i5-2xxx LGA 1155 4/4 6 MB
3 2012 Ivy Bridge i5-3xxx LGA 1155 4/4 6 MB
4 2013 Haswell i5-4xxx LGA 1150 4/4 6 MB
5 2015 Broadwell i5-5xxx LGA 1150 4/4 4 MB
6 2015 Skylake i5-6xxx LGA 1151 4/4 6 MB
7 2017 Kaby Lake i5-7xxx LGA 1151 4/4 6 MB
8 2018 Coffee Lake i5-8xxx LGA 1151 v2 6/6 9 MB

2009

The first representatives of the series were released back in 2009. They were created on 2 different architectures: Nehalem (45 nm) and Westmere (32 nm). The most striking representatives of the line are the i5-750 (4x2.8 GHz) and i5-655K (3.2 GHz). The latter additionally had an unlocked multiplier and the ability to overclock, which indicated its high performance in games and more.

The differences between the architectures lie in the fact that Westmare are built according to 32 nm process standards and have 2nd generation gates. And they have less energy consumption.

2011

This year saw the release of the second generation of processors – Sandy Bridge. Their distinguishing feature was the presence of a built-in Intel HD 2000 video core.

Among the abundance of i5-2xxx models, I would especially like to highlight the CPU with the 2500K index. At one time, it created a real sensation among gamers and enthusiasts, combining a high frequency of 3.2 GHz with Turbo Boost support and low cost. And yes, under the cover there was solder, not thermal paste, which additionally contributed to the high-quality acceleration of the stone without consequences.

2012

The debut of Ivy Bridge brought a 22-nanometer process technology, higher frequencies, new DDR3, DDR3L and PCI-E 3.0 controllers, as well as USB 3.0 support (but only for i7).

Integrated graphics have evolved to Intel HD 4000.

The most interesting solution on this platform was the Core i5-3570K with an unlocked multiplier and a frequency of up to 3.8 GHz in boost.

2013

The Haswell generation did not bring anything supernatural except for the new LGA 1150 socket, the AVX 2.0 instruction set and the new HD 4600 graphics. In fact, the entire emphasis was placed on energy saving, which the company managed to achieve.

But the fly in the ointment is the replacement of solder with a thermal interface, which greatly reduced the overclocking potential of the top-end i5-4670K (and its updated version 4690K from the Haswell Refresh line).

2015

Essentially this is the same Haswell, transferred to 14 nm architecture.

2016

The sixth iteration, under the name Skylake, introduced an updated LGA 1151 socket, support for DDR4 RAM, 9th generation IGP, AVX 3.2 and SATA Express instructions.

Among the processors, it is worth highlighting the i5-6600K and 6400T. The first was loved for its high frequencies and unlocked multiplier, and the second for its low cost and extremely low heat dissipation of 35 W despite Turbo Boost support.

2017

The Kaby Lake era is the most controversial because it brought absolutely nothing new to the desktop processor segment except native support for USB 3.1. Also, these stones completely refuse to run on Windows 7, 8 and 8.1, not to mention older versions.

The socket remains the same - LGA 1151. And the set of interesting processors has not changed - 7600K and 7400T. The reasons for people's love are the same as for Skylake.

2018

Goffee Lake processors are fundamentally different from their predecessors. Four cores have been replaced by 6, which previously only the top versions of the i7 X series could afford. The L3 cache size was increased to 9 MB, and the thermal package in most cases does not exceed 65 W.

Of the entire collection, the i5-8600K model is considered the most interesting for its ability to overclock up to 4.3 GHz (though only 1 core). However, the public prefers the i5-8400 as the cheapest entry ticket.

Instead of results

If we were asked what we would offer to the lion's share of gamers, we would say without hesitation that the i5-8400. The advantages are obvious:

  • cost below 190$
  • 6 full physical cores;
  • frequency up to 4 GHz in Turbo Boost
  • heat package 65 W
  • complete fan.

Additionally, you don’t have to select a “specific” RAM, as for the Ryzen 1600 (the main competitor, by the way), and even the cores themselves in Intel. You lose additional virtual streams, but practice shows that in games they only reduce FPS without introducing certain adjustments to the gameplay.

By the way, if you don’t know where to buy, I recommend paying attention to one very popular and serious one (believe me, it is known and familiar to many people) - at the same time you can find out the prices for the i5 8400 there, periodically, or rather very often, I use this resource myself, to decide who is more profitable to buy from.

In any case, it's up to you. Until next time, don't forget to subscribe to the blog.

And another piece of news for those keeping track (solid state drives) is that this rarely happens.

Moscow, November 19, 2015 — Intel Corporation introduced the 6th generation of Intel® Core™ processors in Russia and other CIS countries. Intel experts and the corporation's partners explained how the new generation of processors will change the user experience. Highest performance, new integrated 3D graphics, fast and efficient video processing are just a short list of the advantages of the new processors, details of which were presented by engineers, architecture specialists and Intel partners.

6th Gen Intel® Core™ Processors—Intel's Best Ever—Run the Performance and Energy Efficiency Orbit

For one day, the Moscow club ARTI HALL turned into a Mission Control Center. The vibrant show included engineers, architecture specialists and Intel partners, who reported on their readiness to launch devices that will take the user to a new orbit of productivity. The presentation opened with the ceremonial launch of a new generation of processors, decorated to coincide with the launch of a spacecraft.

Bernadette Andrietti, vice president of Intel Corporation and director of marketing for Intel in Europe, the Middle East and Africa, announced the launch of the PC Refresh campaign, a joint campaign between Intel, Microsoft and leading PC manufacturers dedicated to the capabilities of the modern computer. Computers purchased 4-5 years ago are slow to turn on, do not support all the functionality available to users today, and their batteries do not last long. That is why Intel is running a PC Refresh campaign, the main idea of ​​which is to tell users about the new capabilities of modern gadgets that older devices are not capable of.

6th generation processors were presented by Dmitry Konash, regional director of Intel in Russia and other CIS countries. “Today, users expect the highest performance and lower power consumption from their devices,” emphasized Dmitry Konash. “The new processors, Intel's best ever, address both of these challenges, bringing computing to new levels of performance, energy efficiency, and new ways to unleash users' creative potential.”

Mikhail Tsvetkov, Intel architecture specialist in Russia and other CIS countries, noted a number of key features of the 6th generation Intel® Core™ processor, thanks to which the corporation has made another big leap in energy efficiency. Increasing the performance of processor cores while reducing power consumption is achieved using Intel® Speed ​​Shift technology and the integration of new hardware features on the processor chip, such as the Image Signal Processor (ISP). With Intel® Speed ​​Shift technology, the processor is able to independently control its operating modes. This allows you to reduce the response time to load changes by up to 30 times and increase the overall system performance by 20-45%.

6th Gen Intel® Core™ processors are built on the industry-leading 14nm manufacturing process and deliver up to 2.5x faster performance, 3x longer battery life, and 30x higher graphics quality for smoother performance. Game performance and video playback compared to computers purchased 5 years ago. In addition, they can have 2 times less thickness and 2 times less weight, can switch to operating mode faster and work without recharging for a whole day.

For users, this means improved visual performance for games, photos and videos. New Intel Speed ​​Shift technology improves the responsiveness of mobile systems so that users, for example, can apply filters to edit photos up to 45% faster. The ability to control RealSense cameras will allow you to take realistic 3D selfies, scan and print objects using 3D printers, and easily replace the background during video chats. The new platform also supports Intel WiDi and Pro WiDi technologies, allowing users to transfer images from computers to TVs, monitors or projectors without using wired connections.

Dmitry Khalin, director of Microsoft's technology policy department in Russia, spoke about the companies' strategic cooperation, noting that the new Intel® Core™ processors are optimized to work with Windows*10, which provides them with new functionality and reliable protection. For example, devices with an Intel RealSense camera and Windows Hello support allow users to securely sign in using facial recognition.

“Microsoft has been fruitfully collaborating with Intel for decades. Together, we're committed to providing users with a wide range of choices that are increasingly powerful, faster and easier to use. We recently released our most advanced operating system, Windows 10. We are confident that, combined with the latest Intel processors, it will allow customers around the world to more efficiently complete all personal and work tasks,” says Dmitry Khalin.

Vlad Zakharov, Marketing Manager at ASUS Russia, presented the 6th generation Intel® Core™ overclocking records. The new processors represent a number of significant advances in computing technology. Thanks to them, a record result was set in the Super Pi 32M by members of the Team Russia team as part of the ASUS OC Summit 2015 event in Moscow. The Intel® Core™ i7-6700K processor was overclocked to a frequency of 6593 MHz on the ASUS ROG Maximus VIII Extreme motherboard, and the RAM At the same time, it worked at a frequency of 3733 MHz with timings CL15 18-18-28 1T. The resulting result of 4 minutes 42.141 seconds became the first among the results on the Core i7-6700K in the world, beating the previous leader by more than 6 seconds.

Throughout the event, there was a partner exhibition where devices based on 6th generation Intel® Core™ processors were presented. ASUS, Dell, Lenovo, MSI and other vendors demonstrated all the variety of form factors: laptops, incl. gaming models, desktops, monoblocks, mini-PCs.

Guests of the presentation could also get acquainted with other solutions from Intel: Cappasity Easy 3D Scan and Aldebaran NAO. Cappasity Easy 3D Scan is a software product for Ultrabooks with an Intel RealSense 3D camera, with which you can create high-quality 3D models. The Aldebaran NAO robot is a companion robot equipped with Intel® Atom™. It independently navigates in space, has 25 degrees of freedom of movement, the ability to pick up small objects, shoot video, take photographs and send them to the Internet.

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