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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900 vs AMD Ryzen 7 3800X

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

×AMD Ryzen 9 3900×AMD Ryzen 7 3800X+ ADD
PriceSearch Online$329.99
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Socket TypeAM4AM4
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.9 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.5 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)
Max TDP65W105W
Yearly Running Cost$11.86$19.16
First Seen on ChartQ4 2019Q2 2019
# of Samples561860
Cross-Platform Rating6397743294
Single Thread Rating26482746
CPU Mark3073523318

CPU Mark Rating
As of 12th of August 2020 - Higher results represent better performance
AMD Ryzen 9 3900
30,735
AMD Ryzen 7 3800X
23,318
CPU Value (CPU Mark / $Price)
As of 12th of August 2020 - Higher results represent better value
AMD Ryzen 9 3900
NA
AMD Ryzen 7 3800X
70.66
CPU Single Thread Rating
As of 12th of August 2020 - Higher results represent better performance
AMD Ryzen 9 3900
2,648
AMD Ryzen 7 3800X
2,746

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 7 3800X
Max TDP65W105W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.