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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-7940X @ 3.10GHz vs AMD Ryzen 9 3900XT

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

×Intel Core i9-7940X @ 3.10GHz×AMD Ryzen 9 3900XT+ ADD
Price$660
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$742.98
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Socket TypeFCLGA2066AM4
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.8 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.7 GHz
# of Physical Cores14 (Threads: 28)12 (Threads: 24)
Max TDP165W105W
Yearly Running Cost$30.11$19.16
First Seen on ChartQ2 2017Q2 2020
# of Samples340515
Cross-Platform Rating5793267588
Single Thread Rating24962799
CPU Mark2676732983

CPU Mark Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
26,767
AMD Ryzen 9 3900XT
32,983
CPU Value (CPU Mark / $Price)
As of 15th of May 2021 - Higher results represent better value
Intel Core i9-7940X @ 3.10GHz
40.56
AMD Ryzen 9 3900XT
44.39
CPU Single Thread Rating
As of 15th of May 2021 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
2,496
AMD Ryzen 9 3900XT
2,799

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.
Intel Core i9-7940X @ 3.10GHzAMD Ryzen 9 3900XT
Max TDP165W105W
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.