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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900X vs Intel Core i9-9900K @ 3.60GHz vs Intel Core i7-8700K @ 3.70GHz

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

×AMD Ryzen 9 3900X×Intel Core i9-9900K @ 3.60GHz×Intel Core i7-8700K @ 3.70GHz+ ADD
Price$429.99
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$399.98
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$350
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Socket TypeAM4FCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktopDesktop
Clockspeed3.8 GHz3.6 GHz3.7 GHz
Turbo SpeedUp to 4.6 GHzUp to 5.0 GHzUp to 4.7 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)6 (Threads: 12)
Max TDP105W95W95W
Yearly Running Cost$19.16$17.34$17.34
First Seen on ChartQ2 2019Q4 2018Q4 2017
# of Samples5094675810095
Cross-Platform Rating672533669226609
Single Thread Rating273129812793
CPU Mark328521887413891

CPU Mark Rating
As of 20th of September 2020 - Higher results represent better performance
AMD Ryzen 9 3900X
32,852
Intel Core i9-9900K @ 3.60GHz
18,874
Intel Core i7-8700K @ 3.70GHz
13,891
CPU Value (CPU Mark / $Price)
As of 20th of September 2020 - Higher results represent better value
AMD Ryzen 9 3900X
76.40
Intel Core i9-9900K @ 3.60GHz
47.19
Intel Core i7-8700K @ 3.70GHz
39.69
CPU Single Thread Rating
As of 20th of September 2020 - Higher results represent better performance
AMD Ryzen 9 3900X
2,731
Intel Core i9-9900K @ 3.60GHz
2,981
Intel Core i7-8700K @ 3.70GHz
2,793

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.
AMD Ryzen 9 3900XIntel Core i9-9900K @ 3.60GHzIntel Core i7-8700K @ 3.70GHz
Max TDP105W95W95W
Power consumption per day (kWh)abcabcabc
Running cost per dayabcabcabc
Power consumption per year (kWh)abcabcabc
Running cost per yearabcabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.