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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-9900 @ 3.10GHz 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 i9-9900 @ 3.10GHz×Intel Core i9-9900KS @ 4.00GHz+ ADD
Price$571.65 BUY NOW!$649.991
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.1 GHz4.0 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.0 GHz
# of Physical Cores8 (2 logical cores per physical)8 (2 logical cores per physical)
Max TDP65W127W
Yearly Running Cost$11.86$23.18
First Seen on ChartQ2 2019Q4 2019
# of Samples125200
Cross-Platform Rating2905733140
Single Thread Rating28173085
CPU Mark1707120040

CPU Mark Rating
As of 8th of April 2020 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
 17,071
Intel Core i9-9900KS @ 4.00GHz
 20,040
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 8th of April 2020 - Higher results represent better value
Intel Core i9-9900 @ 3.10GHz
 29.86
Intel Core i9-9900KS @ 4.00GHz
 30.83
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 8th of April 2020 - Higher results represent better performance
Intel Core i9-9900 @ 3.10GHz
 2,817
Intel Core i9-9900KS @ 4.00GHz
 3,085
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 i9-9900 @ 3.10GHzIntel Core i9-9900KS @ 4.00GHz
Max TDP65W127W
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.