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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-12900K vs AMD Ryzen 9 3950X vs Ryzen 9 5950X

All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 24438 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i9-12900K×AMD Ryzen 9 3950X×AMD Ryzen 9 5950X+ ADD
Price $298.85 - BUY $485.95 - BUY $337.95 - BUY
Socket TypeFCLGA1700AM4AM4
CPU ClassDesktopDesktopDesktop
Clockspeed3.2 GHz3.5 GHz3.4 GHz
Turbo SpeedUp to 5.2 GHzUp to 4.7 GHzUp to 4.9 GHz
# of Physical Cores16 (Threads: 24)16 (Threads: 32)16 (Threads: 32)
CacheL1: 1,408KB, L2: 14.0MB, L3: 30MBL1: 1,024KB, L2: 8.0MB, L3: 64MBL1: 1,024KB, L2: 8.0MB, L3: 64MB
TDP241W105W105W
Yearly Running Cost$43.98$19.16$19.16
OtherIntel UHD Graphics 770
First Seen on ChartQ4 2021Q4 2019Q4 2020
# of Samples8160345012828
CPU Value138.379.6134.7
Single Thread Rating(% diff. to max in group)4144(0.0%)2706(-34.7%)3470(-16.3%)
CPU Mark(% diff. to max in group)41332(-9.2%)38673(-15.0%)45516(0.0%)

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i9-12900K
41,332
AMD Ryzen 9 3950X
38,673
AMD Ryzen 9 5950X
45,516
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Core i9-12900K
138.3
AMD Ryzen 9 3950X
79.6
AMD Ryzen 9 5950X
134.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Core i9-12900K
4,144
AMD Ryzen 9 3950X
2,706
AMD Ryzen 9 5950X
3,470
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 i9-12900K AMD Ryzen 9 3950X AMD Ryzen 9 5950X
Max TDP241W105W105W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.