4 Cores, 8 Threads @4.0GHz, Skylake.
Release date: Q3 2015.


4 Cores, @2.66 GHz, Kentsfield.
Release date ≤ Q1 2014.

Real World Speed
Performance profile from 355,794 user samples
351,790 User Benchmarks
Best Bench: 94% Base clock 4 GHz, turbo 4.7 GHz (avg)
Worst Bench: 67% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 67% Great: 94%
SPEED RANK: 60th / 1206
Gaming 81%
Aircraft carrier
Desktop 84%
Aircraft carrier
Workstation 57%
4,004 User Benchmarks
Best Bench: 33% Base clock 2.65 GHz, turbo 2.65 GHz (avg)
Worst Bench: 20% Base clock 2.65 GHz, turbo 2.65 GHz (avg)
Poor: 20% Great: 33%
SPEED RANK: 771st / 1206
Gaming 27%
Desktop 28%
Workstation 15%
Effective Speed
Effective CPU Speed
81 % Hugely faster effective speed.
27.3 %
Avg. Single Core Mixed Speed
126 Pts Hugely faster single-core speed.
40.9 Pts
Avg. Dual Core Mixed Speed
243 Pts Hugely faster dual-core speed.
81.2 Pts
Avg. Quad Core Mixed Speed
433 Pts Hugely faster quad-core speed.
154 Pts
Avg. Octa Core Mixed Speed
645 Pts Hugely faster octa-core speed.
156 Pts
OC Single Core Mixed Speed
143 Pts Hugely faster OC single-core speed.
48.6 Pts
OC Dual Core Mixed Speed
283 Pts Hugely faster OC dual-core speed.
97.9 Pts
OC Quad Core Mixed Speed
528 Pts Hugely faster OC quad-core speed.
190 Pts
OC Octa Core Mixed Speed
749 Pts Hugely faster OC octa-core speed.
189 Pts
Market Share
Based on 22,716,699 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.39 % Insanely higher market share.
0.02 %
Value For Money
79.5 % Hugely better value.
28.1 %
User Rating
UBM User Rating
114 % Hugely more popular.
56 %
Price (score)
$298 $250 Cheaper.
52 Months More recent.
70+ Months
OC Multi Core Mixed Speed
751 Pts Hugely faster OC 64-core speed.
189 Pts
Avg. Multi Core Mixed Speed
652 Pts Hugely faster 64-core speed.
157 Pts
Launch Date
Launch Date
Q3'15 Q3'07
8 MB SmartCache 8 MB L2
14 nm 65 nm
Recommended Price
Recommended Customer Price
$339.00 - $350.00 N/A
Bus Speed
Bus Speed
8 GT/s DMI3 1066 MHz FSB
Turbo Boost Tech
Intel® Turbo Boost Technology
2.0 No
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
AES New Instructions
Intel® AES New Instructions
Yes No

More specs » More specs »

The Core i7-6700K is Intel's latest "Skylake" flagship processor. It replaces the hugely successful i7-4790K and takes the crown as the fastest mainstream consumer CPU available. Comparing performance and specs between the 4790K and 6700K shows that the configuration is largely unchanged (same base clocks, cores, threads) but the improved manufacturing process (14nm) brings a small reduction in TDP and a performance improvement of 8%; almost exactly the same jump as between the Ivy Bridge 3770K and Haswell 4770K. Owners of any unlocked-K Intel CPU from Sandy Bridge or onwards still have no real reason to upgrade as the performance improvements are largely academic but the i7-6700K will be the CPU of choice for the vast majority of top end PC builds in 2015. [Aug '15 CPUPro]


For super budget stuff or for upgrading an old PC, it isn't too bad. [Oct '18 TheWildShadow55]


Processor Rankings (Price vs Performance) December 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

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Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $260Crucial MX500 250GB $44
Intel Core i5-9600K $200AMD RX 590 $180Samsung 850 Evo 120GB $58
Intel Core i7-9700K $360Nvidia GTX 1650S (Super) $160Samsung 850 Pro 512GB $230
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $65SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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