IntelBX80662I36100
IntelBX80662I76700K

2 Cores, 4 Threads @3.7GHz, Skylake.
Release date: Q4 2015.

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

Real World Speed
Performance profile from 307,590 user samples
46,904 User Benchmarks
Best Bench: 66% Base clock 3.7 GHz
Worst Bench: 44% Base clock 3.7 GHz, turbo 0.8 GHz (avg)
Poor: 44% Great: 66%
SPEED RANK: 249th / 1144
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 35%
Jet ski
260,686 User Benchmarks
Best Bench: 103% Base clock 4 GHz, turbo 5 GHz (avg)
Worst Bench: 75% Base clock 4 GHz, turbo 0.85 GHz (avg)
Poor: 75% Great: 103%
SPEED RANK: 45th / 1144
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 90%
Nuclear submarine
Workstation
Workstation 66%
Battle cruiser
Effective Speed
Effective CPU Speed
59.3 % 88.9 % Much faster effective speed.
+50%
SC Mixed
Avg. Single Core Mixed Speed
101 Pts 126 Pts Faster single-core speed.
+25%
QC Mixed
Avg. Quad Core Mixed Speed
276 Pts 433 Pts Much faster quad-core speed.
+57%
MC Mixed
Avg. Multi Core Mixed Speed
283 Pts 663 Pts Hugely faster multi-core speed.
+134%
SC Mixed
OC Single Core Mixed Speed
114 Pts 143 Pts Faster OC single-core speed.
+25%
QC Mixed
OC Quad Core Mixed Speed
309 Pts 519 Pts Much faster OC quad-core speed.
+68%
MC Mixed
OC Multi Core Mixed Speed
312 Pts 763 Pts Hugely faster OC multi-core speed.
+145%
Market Share
Based on 13,862,575 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.43 % 1.7 % Hugely higher market share.
+295%
Value
Value For Money
82.4 % 89.1 % Slightly better value.
+8%
User Rating
UBM User Rating
66 % 84 % More popular.
+27%
Price
Price (score)
$121 Much cheaper.
+58%
$290
Age
Newest
39 Months +5% 41 Months
TDP
Thermal Design Power (TDP)
47 Watts Much more energy efficient.
+48%
91 Watts
Cores
CPU Processing Cores
2 cores 4 cores Hugely higher core count.
+100%
Threads
CPU Processing Threads
4 threads 8 threads Hugely higher thread count.
+100%
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.7 GHz 4 GHz Slightly faster base frequency.
+8%
Turbo Clock
Turbo Clock Speed
3.7 GHz 4.2 GHz Slightly faster turbo frequency.
+14%
SC Int
Single Core Integer Speed
111 Pts 139 Pts Faster single-core int speed.
+25%
SC Float
Single Core Floating Point Speed
118 Pts 147 Pts Faster single-core fp speed.
+25%
QC Int
Quad Core Integer Speed
286 Pts 518 Pts Hugely faster quad-core int speed.
+81%
QC Float
Quad Core Floating Point Speed
328 Pts 544 Pts Much faster quad-core fp speed.
+66%
MC Int
Multi Core Integer Speed
287 Pts 693 Pts Hugely faster multi-core int speed.
+141%
MC Float
Multi Core Floating Point Speed
329 Pts 813 Pts Hugely faster multi-core fp speed.
+147%
Series
CPU Architecture
Skylake Skylake
Socket
Motherboard Socket
FCLGA1151 FCLGA1151
Graphics
Integrated Graphics
HD 530 HD 530
Cache
Cache
3 MB SmartCache 8 MB SmartCache
Embedded Options Available
Embedded Options Available
Yes No
Recommended Price
Recommended Customer Price
$117.00 $339.00 - $350.00
Thermal Solution Specification
Thermal Solution Specification
PCG 2015C (65W) PCG 2015D (130W)
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.05 GHz 1.15 GHz
Turbo Boost Tech
Intel® Turbo Boost Technology
No 2.0
TSX-NI
Intel® TSX-NI
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) January 2019 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.

 Frequently Asked Questions

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CPUGPUSSD
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HDDRAMUSB
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WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $133SanDisk Ultra Fit 32GB $12
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