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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$431.82 BUY NOW!$665 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 Samples9048682
Single Thread Rating26972397
CPU Mark1593318519

CPU Mark Rating
As of 19th of January 2020 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 15,933
Intel Core i7-7820X @ 3.60GHz
 18,519
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 19th of January 2020 - Higher results represent better value
Intel Core i7-8700K @ 3.70GHz
 36.90
Intel Core i7-7820X @ 3.60GHz
 27.85
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 19th of January 2020 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 2,697
Intel Core i7-7820X @ 3.60GHz
 2,397
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
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.