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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-9940X @ 3.30GHz 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 i9-9940X @ 3.30GHz×AMD Ryzen 9 3900XT+ ADD
Price$738.171$529.99
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Socket TypeFCLGA2066AM4
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.8 GHz
Turbo SpeedUp to 4.5 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 ChartQ4 2018Q2 2020
# of Samples95409
Cross-Platform Rating6139267707
Single Thread Rating26152805
CPU Mark2823533047
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
 28,235
AMD Ryzen 9 3900XT
 33,047
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 18th of January 2021 - Higher results represent better value
Intel Core i9-9940X @ 3.30GHz
 38.25
AMD Ryzen 9 3900XT
 62.35
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 18th of January 2021 - Higher results represent better performance
Intel Core i9-9940X @ 3.30GHz
 2,615
AMD Ryzen 9 3900XT
 2,805
PassMark Software © 2008-2021

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 i9-9940X @ 3.30GHzAMD Ryzen 9 3900XT
Max TDP165W105W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.