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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6900K @ 3.20GHz vs Intel Core i7-8700 @ 3.20GHz

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


×Intel Core i7-6900K @ 3.20GHz×Intel Core i7-8700 @ 3.20GHz+ ADD
Price$569.99
BUY NOW!		$324.99
BUY NOW!
Socket TypeFCLGA2011-3FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.2 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.6 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
Max TDP140W65W
Yearly Running Cost$25.55$11.86
First Seen on ChartQ2 2016Q4 2017
# of Samples4355557
Cross-Platform Rating3117225430
Single Thread Rating23822679
CPU Mark1383013085

CPU Mark Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 13,830
Intel Core i7-8700 @ 3.20GHz
 13,085
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 27th of January 2021 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
 24.26
Intel Core i7-8700 @ 3.20GHz
 40.26
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 27th of January 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 2,382
Intel Core i7-8700 @ 3.20GHz
 2,679
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 i7-6900K @ 3.20GHzIntel Core i7-8700 @ 3.20GHz
Max TDP140W65W
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.