IntelBX80662I76700K
Intel

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

  

2 Cores, 4 Threads @2.66 GHz, Arrandale.
Release date ≤ Q1 2014.

Real World Speed
Performance profile from 605,001 user samples
588,978 User Benchmarks
Best Bench: 90% Base clock 4 GHz, turbo 4.8 GHz (avg)
Worst Bench: 70% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 70% Great: 90%
SPEED RANK: 224th / 1441
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 85%
Aircraft carrier
Workstation
Workstation 67%
Battle cruiser
16,023 User Benchmarks
Best Bench: 48% Base clock 2.65 GHz, turbo 2.65 GHz (avg)
Worst Bench: 27% Base clock 2.65 GHz, turbo 2.5 GHz (avg)
Poor: 27% Great: 48%
SPEED RANK: 1032nd / 1441
Gaming
Gaming 41%
Speed boat
Desktop
Desktop 47%
Yacht
Workstation
Workstation 29%
Raft
Effective Speed
Effective CPU Speed
80.8 % Hugely faster effective speed.
+97%
41.1 %
Memory
Avg. Memory Latency
88.6 Pts Much lower memory latency.
+53%
57.8 Pts
1-Core
Avg. Single Core Speed
119 Pts Hugely faster single-core speed.
+94%
61.2 Pts
2-Core
Avg. Dual Core Speed
224 Pts Hugely faster dual-core speed.
+113%
105 Pts
4-Core
Avg. Quad Core Speed
395 Pts Hugely faster quad-core speed.
+178%
142 Pts
8-Core
Avg. Octa Core Speed
597 Pts Hugely faster octa-core speed.
+312%
145 Pts
Memory
OC Memory Latency
95.9 Pts Much lower OC memory latency.
+43%
66.9 Pts
1-Core
OC Single Core Speed
137 Pts Hugely faster OC single-core speed.
+91%
71.8 Pts
2-Core
OC Dual Core Speed
258 Pts Hugely faster OC dual-core speed.
+90%
136 Pts
4-Core
OC Quad Core Speed
459 Pts Hugely faster OC quad-core speed.
+158%
178 Pts
8-Core
OC Octa Core Speed
696 Pts Hugely faster OC octa-core speed.
+293%
177 Pts
Market Share
Based on 67,707,118 CPUs tested
Market Share
Market Share (trailing 30 days)
1.21 % Insanely higher market share.
+∞%
0 %
User Rating
UBM User Rating
78 % Much more popular.
+50%
52 %
Age
Newest
104 Months More recent.
+15%
122+ Months
64-Core
OC Multi Core Speed
716 Pts Hugely faster OC 64-core speed.
+305%
177 Pts
64-Core
Avg. Multi Core Speed
612 Pts Hugely faster 64-core speed.
+322%
145 Pts
Launch Date
Launch Date
Q3'15 Q1'11
Cache
Cache
8 MB SmartCache 3 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2
Lithography
Lithography
14 nm 32 nm
Recommended Price
Recommended Customer Price
$339.00 - $350.00 N/A
Max Turbo Frequency
Max Turbo Frequency
4.2 GHz 2.933 GHz
Bus Speed
Bus Speed
8 GT/s DMI3 2.5 GT/s DMI
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 8 GB
Memory Types
Memory Types
DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V DDR3 800/1066
Memory Bandwidth
Max Memory Bandwidth
34.1 GB/s 17.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 530 Intel® HD Graphics
Graphics Base Frequency
Graphics Base Frequency
350 MHz 500 MHz
# of Displays Supported
# of Displays Supported ‡
3 2
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 766 MHz
Package Size
Package Size
37.5mm x 37.5mm rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Graphics and IMC Lithography
Graphics and IMC Lithography
14 nm 45 nm
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
2.0 1.0
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Yes No
AES New Instructions
Intel® AES New Instructions
Yes No
PCI Express Revision
PCI Express Revision
3.0 2.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 1x16

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]

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Processor Rankings (Price vs Performance) April 2024 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 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 value for money 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
  • - 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

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