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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-6900K @ 3.20GHz vs Intel Core i9-9900KS @ 4.00GHz

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 i9-9900KS @ 4.00GHz+ ADD
Price$735 BUY NOW!$649.991
Socket TypeFCLGA2011-3FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.2 GHz4.0 GHz
Turbo SpeedUp to 4.0 GHzUp to 5.0 GHz
# of Physical Cores8 (2 logical cores per physical)8 (2 logical cores per physical)
Max TDP140W127W
Yearly Running Cost$25.55$23.18
First Seen on ChartQ2 2016Q4 2019
# of Samples419156
Single Thread Rating21872991
CPU Mark1757821465

CPU Mark Rating
As of 18th of February 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
17,578
Intel Core i9-9900KS @ 4.00GHz
21,465
CPU Value (CPU Mark / $Price)
As of 18th of February 2020 - Higher results represent better value
Intel Core i7-6900K @ 3.20GHz
23.92
Intel Core i9-9900KS @ 4.00GHz
33.03
CPU Single Thread Rating
As of 18th of February 2020 - Higher results represent better performance
Intel Core i7-6900K @ 3.20GHz
2,187
Intel Core i9-9900KS @ 4.00GHz
2,991

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 i9-9900KS @ 4.00GHz
Max TDP140W127W
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.