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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-8086K @ 4.00GHz vs Intel Core i9-9900K @ 3.60GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Core i7-8086K @ 4.00GHz×Intel Core i9-9900K @ 3.60GHz+ ADD
Price$5491$598
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Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed4.0 GHz3.6 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.0 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2018Q4 2018
# of Samples12109845
Single Thread Rating(% diff. to max in group)2881(-2.5%)2956(0.0%)
CPU Mark(% diff. to max in group)14484(-22.4%)18668(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-8086K @ 4.00GHz
 14,484
Intel Core i9-9900K @ 3.60GHz
 18,668
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 4th of July 2022 - Higher results represent better value
Intel Core i7-8086K @ 4.00GHz
 26.38
Intel Core i9-9900K @ 3.60GHz
 31.22
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 4th of July 2022 - Higher results represent better performance
Intel Core i7-8086K @ 4.00GHz
 2,881
Intel Core i9-9900K @ 3.60GHz
 2,956
PassMark Software © 2008-2022

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 i7-8086K @ 4.00GHzIntel Core i9-9900K @ 3.60GHz
Max TDP95W95W
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.