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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$439.99
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$329.15
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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 Samples7672858211152
Cross-Platform Rating672763783127121
Single Thread Rating273029702776
CPU Mark328561881813895

CPU Mark Rating
As of 17th of September 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
32,856
Intel Core i9-9900K @ 3.60GHz
18,818
Intel Core i7-8700K @ 3.70GHz
13,895
CPU Value (CPU Mark / $Price)
As of 17th of September 2021 - Higher results represent better value
AMD Ryzen 9 3900X
74.67
Intel Core i9-9900K @ 3.60GHz
57.17
Intel Core i7-8700K @ 3.70GHz
39.70
CPU Single Thread Rating
As of 17th of September 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
2,730
Intel Core i9-9900K @ 3.60GHz
2,970
Intel Core i7-8700K @ 3.70GHz
2,776

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)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.