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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

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

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

×AMD Ryzen 9 3900X×Intel Core i9-7940X @ 3.10GHz+ ADD
Price$509.99
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$549.4
BUY NOW!
Socket TypeAM4FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.8 GHz3.1 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.3 GHz
# of Physical Cores12 (Threads: 24)14 (Threads: 28)
Max TDP105W165W
Yearly Running Cost$19.16$30.11
First Seen on ChartQ2 2019Q2 2017
# of Samples7865346
Single Thread Rating27282497
CPU Mark3280226679

CPU Mark Rating
As of 27th of November 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
32,802
Intel Core i9-7940X @ 3.10GHz
26,679
CPU Value (CPU Mark / $Price)
As of 27th of November 2021 - Higher results represent better value
AMD Ryzen 9 3900X
64.32
Intel Core i9-7940X @ 3.10GHz
48.56
CPU Single Thread Rating
As of 27th of November 2021 - Higher results represent better performance
AMD Ryzen 9 3900X
2,728
Intel Core i9-7940X @ 3.10GHz
2,497

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 i9-7940X @ 3.10GHz
Max TDP105W165W
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.