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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$599.99
BUY NOW!
$472.98
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 Samples4268694
Cross-Platform Rating2981317739
Single Thread Rating23512777
CPU Mark134029742

CPU Mark Rating
As of 7th of August 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
13,402
Intel Core i7-7700K @ 4.20GHz
9,742
CPU Value (CPU Mark / $Price)
As of 7th of August 2020 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
22.34
Intel Core i7-7700K @ 4.20GHz
20.60
CPU Single Thread Rating
As of 7th of August 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,351
Intel Core i7-7700K @ 4.20GHz
2,777

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
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.