IntelBX80662I76700K
IntelBX80662I56500

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

4 Cores, 4 Threads @3.2GHz, Skylake.
Release date: Q3 2015.

Real World Speed
Performance profile from 726,912 user samples
522,607 User Benchmarks
Best Bench: 92% Base clock 4 GHz, turbo 4.6 GHz (avg)
Worst Bench: 71% Base clock 4 GHz, turbo 4 GHz (avg)
Poor: 71% Great: 92%
SPEED RANK: 113th / 1316
Gaming
Gaming 83%
Aircraft carrier
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 69%
Battle cruiser
204,305 User Benchmarks
Best Bench: 79% Base clock 3.2 GHz, turbo 3.2 GHz (avg)
Worst Bench: 56% Base clock 3.2 GHz, turbo 3.3 GHz (avg)
Poor: 56% Great: 79%
SPEED RANK: 298th / 1316
Gaming
Gaming 71%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 54%
Yacht
Effective Speed
Effective CPU Speed
83.3 % Faster effective speed.
+17%
71.3 %
Memory
Avg. Memory Latency
89.6 Pts Lower memory latency.
+10%
81.1 Pts
1-Core
Avg. Single Core Mixed Speed
124 Pts Faster single-core speed.
+26%
98.4 Pts
2-Core
Avg. Dual Core Mixed Speed
236 Pts Faster dual-core speed.
+22%
194 Pts
4-Core
Avg. Quad Core Mixed Speed
416 Pts Faster quad-core speed.
+17%
355 Pts
8-Core
Avg. Octa Core Mixed Speed
622 Pts Much faster octa-core speed.
+72%
361 Pts
Memory
OC Memory Latency
96.4 Pts Slightly lower OC memory latency.
+6%
91 Pts
1-Core
OC Single Core Mixed Speed
140 Pts Faster OC single-core speed.
+28%
109 Pts
2-Core
OC Dual Core Mixed Speed
271 Pts Faster OC dual-core speed.
+28%
212 Pts
4-Core
OC Quad Core Mixed Speed
494 Pts Faster OC quad-core speed.
+24%
398 Pts
8-Core
OC Octa Core Mixed Speed
719 Pts Much faster OC octa-core speed.
+79%
402 Pts
Market Share
Based on 44,906,347 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.87 % Hugely higher market share.
+93%
0.45 %
Value
Value For Money
80.8 % Slightly better value.
+8%
74.7 %
User Rating
UBM User Rating
78 % More popular.
+18%
66 %
Price
Price (score)
$310 $235 Cheaper.
+24%
Age
Newest
71 Months 70 Months +1%
TDP
Thermal Design Power (TDP)
91 Watts 65 Watts More energy efficient.
+29%
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 Faster base frequency.
+25%
3.2 GHz
Turbo Clock
Turbo Clock Speed
4.2 GHz Faster turbo frequency.
+17%
3.6 GHz
64-Core
OC Multi Core Mixed Speed
723 Pts Much faster OC 64-core speed.
+79%
404 Pts
64-Core
Avg. Multi Core Mixed Speed
630 Pts Much faster 64-core speed.
+73%
364 Pts
Series
CPU Architecture
Skylake Skylake
Socket
Motherboard Socket
FCLGA1151 FCLGA1151
Graphics
Integrated Graphics
HD 530 HD 530
Cache
Cache
8 MB SmartCache 6 MB SmartCache
Embedded Options Available
Embedded Options Available
No Yes
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $192.00 - $202.00
Max Turbo Frequency
Max Turbo Frequency
4.2 GHz 3.6 GHz
Thermal Solution Specification
Thermal Solution Specification
PCG 2015D (130W) PCG 2015C (65W)
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.05 GHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP)
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes

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

Processor Rankings (Price vs Performance) July 2021 CPU Rankings.

We calculate effective speed which measures real world performance for typical 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]

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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.

UserBenchmark of the month

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

 Frequently Asked Questions

 Best User Rated

The Best.
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