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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6900K @ 3.20GHz vs Intel Core i7-8700K @ 3.70GHz

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 i7-8700K @ 3.70GHz+ ADD
Price$569.99
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$299
BUY NOW!
Socket TypeFCLGA2011-3FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.7 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.7 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
Max TDP140W95W
Yearly Running Cost$25.55$17.34
First Seen on ChartQ2 2016Q4 2017
# of Samples43510736
Cross-Platform Rating3117227040
Single Thread Rating23822788
CPU Mark1383013916

CPU Mark Rating
As of 2nd of March 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
13,830
Intel Core i7-8700K @ 3.70GHz
13,916
CPU Value (CPU Mark / $Price)
As of 2nd of March 2021 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
24.26
Intel Core i7-8700K @ 3.70GHz
46.54
CPU Single Thread Rating
As of 2nd of March 2021 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,382
Intel Core i7-8700K @ 3.70GHz
2,788

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 i7-8700K @ 3.70GHz
Max TDP140W95W
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.