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Intel
IntelBX80662I56600K
  

4 Cores, 8 Threads @2.2 GHz, Crystal Well.
Release date ≈ Q4 2014.

4 Cores, 4 Threads @3.5GHz, Skylake.
Release date: Q3 2015.

Real World Speed
Performance profile from 343,936 user samples
1,692 User Benchmarks
Best Bench: 73% Base clock 2.2 GHz, turbo 3.1 GHz (avg)
Worst Bench: 44% Base clock 2.2 GHz, turbo 2.2 GHz (avg)
Poor: 44% Great: 73%
SPEED RANK: 540th / 1468
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 68%
Battle cruiser
Workstation
Workstation 51%
Yacht
342,244 User Benchmarks
Best Bench: 85% Base clock 3.5 GHz, turbo 4.7 GHz (avg)
Worst Bench: 57% Base clock 3.5 GHz, turbo 3.55 GHz (avg)
Poor: 57% Great: 85%
SPEED RANK: 375th / 1468
Gaming
Gaming 72%
Battleship
Desktop
Desktop 80%
Battleship
Workstation
Workstation 55%
Yacht
Effective Speed
Effective CPU Speed
64 % 72.4 % Faster effective speed.
+13%
Memory
Avg. Memory Latency
73.8 Pts 83.3 Pts Lower memory latency.
+13%
1-Core
Avg. Single Core Speed
89 Pts 110 Pts Faster single-core speed.
+24%
2-Core
Avg. Dual Core Speed
173 Pts 218 Pts Faster dual-core speed.
+26%
4-Core
Avg. Quad Core Speed
296 Pts 352 Pts Faster quad-core speed.
+19%
8-Core
Avg. Octa Core Speed
426 Pts Faster octa-core speed.
+14%
373 Pts
Memory
OC Memory Latency
83.6 Pts 95.2 Pts Lower OC memory latency.
+14%
1-Core
OC Single Core Speed
101 Pts 136 Pts Much faster OC single-core speed.
+35%
2-Core
OC Dual Core Speed
195 Pts 269 Pts Much faster OC dual-core speed.
+38%
4-Core
OC Quad Core Speed
365 Pts 455 Pts Faster OC quad-core speed.
+25%
8-Core
OC Octa Core Speed
506 Pts Slightly faster OC octa-core speed.
+6%
476 Pts
Market Share
Based on 68,991,956 CPUs tested
Market Share
Market Share (trailing 30 days)
0 % 0.68 % Insanely higher market share.
+∞%
User Rating
UBM User Rating
52 % 74 % Much more popular.
+42%
Age
Newest
119+ Months 111 Months Slightly more recent.
+7%
64-Core
OC Multi Core Speed
505 Pts +4% 484 Pts
64-Core
Avg. Multi Core Speed
423 Pts Faster 64-core speed.
+12%
378 Pts
Launch Date
Launch Date
Q3'14 Q3'15
Cache
Cache
6 MB 6 MB SmartCache
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$434.00 $242.00 - $243.00
Max Turbo Frequency
Max Turbo Frequency
3.4 GHz 3.9 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3L 1333/1600 DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Memory Bandwidth
Max Memory Bandwidth
25.6 GB/s 34.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® Iris™ Pro Graphics 5200 Intel® HD Graphics 530
Graphics Base Frequency
Graphics Base Frequency
200 MHz 350 MHz
Graphics Output
Graphics Output
eDP/DP/HDMI/VGA eDP/DP/HDMI/DVI
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.2 GHz 1.15 GHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 GB
Package Size
Package Size
37.5mm x 32mm x 1.65mm 37.5mm x 37.5mm
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No
PCI Express Revision
PCI Express Revision
3 3.0
PCI Express Configurations
PCI Express Configurations ‡
1x16 or 2x8 or 1x8 2x4 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »

The Intel Core i5-6600K is based on the new "Skylake" 14nm manufacturing process. Sporting 4 physical cores with base/turbo clocks of 3.5/3.9 GHz the 6600K and its predecessor, the 4690K share the same basic configuration and disappointingly, offer similar performance. Comparing the 6600K and 6700K shows that the 6700K has faster multi and single core performance. The improved multi core performance is due to Hyperthreading which is the key differentiator for the i7-6700K. The gap in single core performance can largely be eliminated by overclocking the i5-6600K so although the stock effective speed is significantly higher on the 6700K, this gap diminishes significantly when both processors are overclocked. At a 30% discount, the 6600K is the better value gaming CPU. [Aug '15 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) November 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]

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.
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