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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i9-12900K vs AMD Ryzen 9 3900

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

×Intel Core i9-12900K×AMD Ryzen 9 3900+ ADD
Price$617.98
BUY NOW!
$6341
Socket TypeFCLGA1700AM4
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.1 GHz
Turbo SpeedUp to 5.2 GHzUp to 4.3 GHz
# of Physical Cores16 (Threads: 24)12 (Threads: 24)
Max TDP241W65W
Yearly Running Cost$43.98$11.86
First Seen on ChartQ4 2021Q4 2019
# of Samples428148
Single Thread Rating41982631
CPU Mark3996930704
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 24th of January 2022 - Higher results represent better performance
Intel Core i9-12900K
39,969
AMD Ryzen 9 3900
30,704
CPU Value (CPU Mark / $Price)
As of 24th of January 2022 - Higher results represent better value
Intel Core i9-12900K
64.68
AMD Ryzen 9 3900
48.43
CPU Single Thread Rating
As of 24th of January 2022 - Higher results represent better performance
Intel Core i9-12900K
4,198
AMD Ryzen 9 3900
2,631

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 i9-12900KAMD Ryzen 9 3900
Max TDP241W65W
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.