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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$418.99
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$492.99
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$349.99
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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 Samples418762659807
Cross-Platform Rating672413581126101
Single Thread Rating272829842788
CPU Mark328491890113857

CPU Mark Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Ryzen 9 3900X
32,849
Intel Core i9-9900K @ 3.60GHz
18,901
Intel Core i7-8700K @ 3.70GHz
13,857
CPU Value (CPU Mark / $Price)
As of 9th of July 2020 - Higher results represent better value
AMD Ryzen 9 3900X
78.40
Intel Core i9-9900K @ 3.60GHz
38.34
Intel Core i7-8700K @ 3.70GHz
39.59
CPU Single Thread Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Ryzen 9 3900X
2,728
Intel Core i9-9900K @ 3.60GHz
2,984
Intel Core i7-8700K @ 3.70GHz
2,788

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.