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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.


×Intel Core i7-8700K @ 3.70GHz×Intel Core i7-7700K @ 4.20GHz+ ADD
Price$354.99 BUY NOW!$389 BUY NOW!
Socket TypeFCLGA1151-2 LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.7 GHz4.2 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.5 GHz
# of Physical Cores6 (2 logical cores per physical)4 (2 logical cores per physical)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2017Q4 2016
# of Samples88548021
Single Thread Rating26982581
CPU Mark1593511992

CPU Mark Rating
As of 15th of December 2019 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 15,935
Intel Core i7-7700K @ 4.20GHz
 11,992
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 15th of December 2019 - Higher results represent better value
Intel Core i7-8700K @ 3.70GHz
 44.89
Intel Core i7-7700K @ 4.20GHz
 30.83
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 15th of December 2019 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 2,698
Intel Core i7-7700K @ 4.20GHz
 2,581
PassMark Software © 2008-2019

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 i7-8700K @ 3.70GHzIntel Core i7-7700K @ 4.20GHz
Max TDP95W95W
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.