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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$715 BUY NOW!$388 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 (2 logical cores per physical)6 (2 logical cores per physical)
Max TDP140W65W
Yearly Running Cost$25.55$11.86
First Seen on ChartQ2 2016Q4 2017
# of Samples4204744
Cross-Platform Rating022710
Single Thread Rating24422686
CPU Mark1416013435

CPU Mark Rating
As of 4th of April 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 14,160
Intel Core i7-8700 @ 3.20GHz
 13,435
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 4th of April 2020 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
 19.80
Intel Core i7-8700 @ 3.20GHz
 34.63
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 4th of April 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
 2,442
Intel Core i7-8700 @ 3.20GHz
 2,686
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 i7-6900K @ 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.