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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900 vs AMD Ryzen 9 3900X

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


×AMD Ryzen 9 3900×AMD Ryzen 9 3900X+ ADD
Price$516.99
BUY NOW!		$528
BUY NOW!
Socket TypeAM4AM4
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.8 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.6 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
Max TDP65W105W
Yearly Running Cost$11.86$19.16
First Seen on ChartQ4 2019Q3 2019
# of Samples1889794
Single Thread Rating26032709
CPU Mark3062832793

CPU Mark Rating
As of 25th of June 2022 - Higher results represent better performance
AMD Ryzen 9 3900
 30,628
AMD Ryzen 9 3900X
 32,793
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 25th of June 2022 - Higher results represent better value
AMD Ryzen 9 3900
 59.24
AMD Ryzen 9 3900X
 62.11
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 25th of June 2022 - Higher results represent better performance
AMD Ryzen 9 3900
 2,603
AMD Ryzen 9 3900X
 2,709
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.
AMD Ryzen 9 3900AMD Ryzen 9 3900X
Max TDP65W105W
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.