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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-12900 vs i9-12900K

The Intel Core i9-12900 is newer than Intel Core i9-12900K, while Intel Core i9-12900K is around 17% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i9-12900 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 8091 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×Intel Core i9-12900K+ ADD
Price $432.87 - BUY $289 - BUY
Socket TypeFCLGA1700FCLGA1700
CPU ClassDesktopDesktop
Clockspeed2.4 GHz3.2 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.2 GHz
# of Physical Cores16 (Threads: 24)16 (Threads: 24)
CacheL1: 1,408KB, L2: 14.0MB, L3: 30MBL1: 1,408KB, L2: 14.0MB, L3: 30MB
TDP65W241W
Yearly Running Cost$11.86$43.98
OtherIntel UHD Graphics 770Intel UHD Graphics 770
First Seen on ChartQ1 2022Q4 2021
# of Samples5747517
CPU Value79.0143.3
Single Thread Rating(% diff. to max in group)4044(-2.7%)4155(0.0%)
CPU Mark(% diff. to max in group)34184(-17.5%)41421(0.0%)

CPU Mark Rating
As of 9th of January 2025 - Higher results represent better performance
Intel Core i9-12900
34,184
Intel Core i9-12900K
41,421
CPU Value (CPU Mark / $Price)
As of 9th of January 2025 - Higher results represent better value
Intel Core i9-12900
79.0
Intel Core i9-12900K
143.3
CPU Single Thread Rating
As of 9th of January 2025 - Higher results represent better performance
Intel Core i9-12900
4,044
Intel Core i9-12900K
4,155
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 Intel Core i9-12900K
Max TDP65W241W
Power consumption per day (kWh)0.130.48
Running cost per day$0.033$0.120
Power consumption per year (kWh)47.5175.9
Running cost per year$11.86$43.98
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.