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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6900K @ 3.20GHz vs Intel Core i7-7700K @ 4.20GHz

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 i7-7700K @ 4.20GHz+ ADD
Price$580
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$449.98
BUY NOW!
Socket TypeFCLGA2011-3 LGA 1151
CPU ClassDesktopDesktop
Clockspeed3.2 GHz4.2 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.5 GHz
# of Physical Cores8 (Threads: 16)4 (Threads: 8)
Max TDP140W95W
Yearly Running Cost$25.55$17.34
First Seen on ChartQ2 2016Q4 2016
# of Samples4268874
Cross-Platform Rating2981317953
Single Thread Rating23512771
CPU Mark134029734

CPU Mark Rating
As of 19th of October 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
13,402
Intel Core i7-7700K @ 4.20GHz
9,734
CPU Value (CPU Mark / $Price)
As of 19th of October 2020 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
23.11
Intel Core i7-7700K @ 4.20GHz
21.63
CPU Single Thread Rating
As of 19th of October 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,351
Intel Core i7-7700K @ 4.20GHz
2,771

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 i7-7700K @ 4.20GHz
Max TDP140W95W
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.