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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-8700K @ 3.70GHz vs Intel Core i7-7820X @ 3.60GHz

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


×Intel Core i7-8700K @ 3.70GHz×Intel Core i7-7820X @ 3.60GHz+ ADD
Price$405.7 BUY NOW!$913.92 BUY NOW!
Socket TypeFCLGA1151-2FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.7 GHz3.6 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.3 GHz
# of Physical Cores6 (2 logical cores per physical)8 (2 logical cores per physical)
Max TDP95W140W
Yearly Running Cost$17.34$25.55
First Seen on ChartQ4 2017Q2 2017
# of Samples9383711
Cross-Platform Rating2358633330
Single Thread Rating27712553
CPU Mark1392617949

CPU Mark Rating
As of 10th of April 2020 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 13,926
Intel Core i7-7820X @ 3.60GHz
 17,949
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 10th of April 2020 - Higher results represent better value
Intel Core i7-8700K @ 3.70GHz
 34.33
Intel Core i7-7820X @ 3.60GHz
 19.64
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 10th of April 2020 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 2,771
Intel Core i7-7820X @ 3.60GHz
 2,553
PassMark Software © 2008-2020

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 i7-7820X @ 3.60GHz
Max TDP95W140W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.