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Intel i9-12900 vs AMD Ryzen 9 3900XT

The Intel Core i9-12900 is newer than AMD Ryzen 9 3900XT, while the multi-threaded (CPU Mark) is simliar, Intel Core i9-12900 is around 32% faster in single-thread testing. However, AMD Ryzen 9 3900XT uses around 47% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1815 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 i9-12900×AMD Ryzen 9 3900XT+ ADD
Price $432.87 - BUY $239 - BUY
Socket TypeFCLGA1700AM4
CPU ClassDesktopDesktop
Clockspeed2.4 GHz3.8 GHz
Turbo SpeedUp to 5.1 GHzUp to 4.7 GHz
# of Physical Cores16 (Threads: 24)12 (Threads: 24)
CacheL1: 1,408KB, L2: 14.0MB, L3: 30MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP65W105W
Yearly Running Cost$11.86$19.16
OtherIntel UHD Graphics 770
First Seen on ChartQ1 2022Q3 2020
# of Samples5651250
CPU Value79.0136.6
Single Thread Rating(% diff. to max in group)4043(0.0%)2746(-32.1%)
CPU Mark(% diff. to max in group)34206(0.0%)32657(-4.5%)

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i9-12900
34,206
AMD Ryzen 9 3900XT
32,657
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Core i9-12900
79.0
AMD Ryzen 9 3900XT
136.6
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Core i9-12900
4,043
AMD Ryzen 9 3900XT
2,746
PassMark Software © 2008-2024
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 i9-12900 AMD Ryzen 9 3900XT
Max TDP65W105W
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.