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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900X vs AMD Ryzen 9 5900X

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

×AMD Ryzen 9 3900X×AMD Ryzen 9 5900X+ ADD
Price$525
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$523.99
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Socket TypeAM4AM4
CPU ClassDesktopDesktop
Clockspeed3.8 GHz3.7 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.8 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
Max TDP105W105W
Yearly Running Cost$19.16$19.16
First Seen on ChartQ2 2019Q4 2020
# of Samples78832938
Single Thread Rating27283495
CPU Mark3280239523

CPU Mark Rating
As of 4th of December 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
32,802
AMD Ryzen 9 5900X
39,523
CPU Value (CPU Mark / $Price)
As of 4th of December 2021 - Higher results represent better value
AMD Ryzen 9 3900X
62.48
AMD Ryzen 9 5900X
75.43
CPU Single Thread Rating
As of 4th of December 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
2,728
AMD Ryzen 9 5900X
3,495

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 3900XAMD Ryzen 9 5900X
Max TDP105W105W
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.