IntelBX80662I76700K
IntelBX80677I57600K

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

4 Cores, 4 Threads @3.8GHz, Kaby Lake.
Release date: Q1 2017.

Real World Speed
Performance profile from 297,703 user samples
230,495 User Benchmarks
Best Bench: 102% Base clock 4 GHz, turbo 4.7 GHz (avg)
Worst Bench: 76% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 76% Great: 102%
SPEED RANK: 36th / 1132
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 90%
Nuclear submarine
Workstation
Workstation 66%
Battle cruiser
67,208 User Benchmarks
Best Bench: 109% Base clock 3.8 GHz, turbo 5.1 GHz (avg)
Worst Bench: 74% Base clock 3.8 GHz, turbo 1.25 GHz (avg)
Poor: 74% Great: 109%
SPEED RANK: 31st / 1132
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 56%
Gunboat
Effective Speed
Effective CPU Speed
88.9 % 92.2 % +4%
SC Mixed
Avg. Single Core Mixed Speed
126 Pts 129 Pts +2%
QC Mixed
Avg. Quad Core Mixed Speed
432 Pts 475 Pts Slightly faster quad-core speed.
+10%
MC Mixed
Avg. Multi Core Mixed Speed
669 Pts Much faster multi-core speed.
+37%
487 Pts
SC Mixed
OC Single Core Mixed Speed
142 Pts 149 Pts +5%
QC Mixed
OC Quad Core Mixed Speed
514 Pts 570 Pts Slightly faster OC quad-core speed.
+11%
MC Mixed
OC Multi Core Mixed Speed
757 Pts Much faster OC multi-core speed.
+32%
574 Pts
Market Share
Based on 11,607,141 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.96 % Hugely higher market share.
+133%
0.84 %
Value
Value For Money
87.9 % 97.5 % Slightly better value.
+11%
User Rating
UBM User Rating
81 % 97 % More popular.
+20%
Price
Price (score)
$300 $251 Cheaper.
+16%
Age
Newest
38 Months 21 Months Much more recent.
+45%
TDP
Thermal Design Power (TDP)
91 Watts 91 Watts
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads Hugely higher thread count.
+100%
4 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
4 GHz Slightly faster base frequency.
+5%
3.8 GHz
Turbo Clock
Turbo Clock Speed
4.2 GHz 4.2 GHz
SC Int
Single Core Integer Speed
138 Pts 144 Pts +4%
SC Float
Single Core Floating Point Speed
147 Pts 155 Pts Slightly faster single-core fp speed.
+5%
QC Int
Quad Core Integer Speed
501 Pts 541 Pts Slightly faster quad-core int speed.
+8%
QC Float
Quad Core Floating Point Speed
535 Pts 614 Pts Slightly faster quad-core fp speed.
+15%
MC Int
Multi Core Integer Speed
693 Pts Faster multi-core int speed.
+27%
547 Pts
MC Float
Multi Core Floating Point Speed
807 Pts Much faster multi-core fp speed.
+32%
613 Pts
Series
CPU Architecture
Skylake Kaby Lake
Socket
Motherboard Socket
FCLGA1151 FCLGA1151
Graphics
Integrated Graphics
HD 530 HD 630
Launch Date
Launch Date
Q3'15 Q1'17
Cache
Cache
8 MB SmartCache 6 MB
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $242.00 - $243.00
Thermal Solution Specification
Thermal Solution Specification
PCG 2015D (130W) PCG 2015C (65W)
Memory Types
Memory Types
DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V DDR4-2133/2400, DDR3L-1333/1600 @ 1.35V
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 530 Intel® HD Graphics 630
Graphics Base Frequency
Graphics Base Frequency
350 MHz 350.00 MHz

More specs » More specs »
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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]

MORE DETAILS

The i5-7600K targets high end gamers, it sits just behind the flagship i7-7700K in Intel’s Kaby Lake lineup. The 7600K will likely be the most popular gaming CPU of 2017 (some competition from AMD’s upcoming Zen/Ryzen CPUs, would be very welcome). Comparing the 7600K and 6600K shows that the two processors are very closely matched and comparing the 7600K vs the hyper-threaded 7700K highlights the relative strength of the 7700K for workstation performance. There are no significant architectural differences between Kaby Lake and Skylake so, when fully overclocked, the two generations should perform similarly but Kaby Lake offers faster base clocks, improved speed shift technology which helps CPU responsiveness, and better integrated graphics[Jan '17 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) October 2018 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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]

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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

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - 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 userbenchmark.com.
  • - 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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CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $157SanDisk Ultra Fit 32GB $12
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