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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-6600K @ 3.50GHz vs Intel Core i7-6700K @ 4.00GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Intel Core i5-6600K @ 3.50GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price$219.99 BUY NOW!$312.391
Socket TypeFCLGA1151LGA1151
CPU ClassDesktopDesktop
Clockspeed3.5 GHz4.0 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.2 GHz
# of Physical Cores44 (2 logical cores per physical)
Max TDP91W95W
Yearly Running Cost$16.61$17.34
First Seen on ChartQ2 2015Q2 2015
# of Samples522812738
Single Thread Rating21472354
CPU Mark806211108

CPU Mark Rating
As of 17th of February 2020 - Higher results represent better performance
Intel Core i5-6600K @ 3.50GHz
8,062
Intel Core i7-6700K @ 4.00GHz
11,108
CPU Value (CPU Mark / $Price)
As of 17th of February 2020 - Higher results represent better value
Intel Core i5-6600K @ 3.50GHz
36.65
Intel Core i7-6700K @ 4.00GHz
35.56
CPU Single Thread Rating
As of 17th of February 2020 - Higher results represent better performance
Intel Core i5-6600K @ 3.50GHz
2,147
Intel Core i7-6700K @ 4.00GHz
2,354

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i5-6600K @ 3.50GHzIntel Core i7-6700K @ 4.00GHz
Max TDP91W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.