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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$308
BUY NOW!		$598.851
Socket TypeFCLGA1151-2FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.7 GHz3.6 GHz
Turbo SpeedUp to 4.7 GHzUp to 4.3 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)
Max TDP95W140W
Yearly Running Cost$17.34$25.55
First Seen on ChartQ4 2017Q2 2017
# of Samples10741800
Cross-Platform Rating2703633591
Single Thread Rating27872527
CPU Mark1391317272
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of March 2021 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 13,913
Intel Core i7-7820X @ 3.60GHz
 17,272
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 6th of March 2021 - Higher results represent better value
Intel Core i7-8700K @ 3.70GHz
 45.17
Intel Core i7-7820X @ 3.60GHz
 28.84
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 6th of March 2021 - Higher results represent better performance
Intel Core i7-8700K @ 3.70GHz
 2,787
Intel Core i7-7820X @ 3.60GHz
 2,527
PassMark Software © 2008-2021

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)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.