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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-12900T vs i9-11900KF

The Intel Core i9-12900T is newer than Intel Core i9-11900KF @ 3.50GHz and is around 19% faster in multi-threaded (CPU Mark) testing. The Intel Core i9-12900T is around 7% faster in single-thread testing. Also, Intel Core i9-12900T uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 1684 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 i9-12900T×Intel Core i9-11900KF @ 3.50GHz+ ADD
Price Search Online $439 - BUY
Socket TypeFCLGA1700FCLGA1200
CPU ClassDesktopDesktop
Clockspeed1.4 GHz3.5 GHz
Turbo SpeedUp to 4.9 GHzUp to 5.3 GHz
# of Physical Cores16 (Threads: 24)8 (Threads: 16)
CacheL1: 1,408KB, L2: 14.0MB, L3: 30MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP35W125W
Yearly Running Cost$6.39$22.81
OtherIntel UHD Graphics 770
First Seen on ChartQ1 2022Q2 2021
# of Samples931591
CPU Rank518676
CPU Value59.655.9
Single Thread Rating(% diff. to max in group)3754(0.0%)3521(-6.2%)
CPU Mark(% diff. to max in group)29143(0.0%)24560(-15.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of January 2026 - Higher results represent better performance
Intel Core i9-12900T
29,143
Intel Core i9-11900KF @ 3.50GHz
24,560
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 15th of January 2026 - Higher results represent better value
Intel Core i9-12900T
59.6
Intel Core i9-11900KF @ 3.50GHz
55.9
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 15th of January 2026 - Higher results represent better performance
Intel Core i9-12900T
3,754
Intel Core i9-11900KF @ 3.50GHz
3,521
PassMark Software © 2008-2026
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 i9-12900T Intel Core i9-11900KF @ 3.50GHz
Max TDP35W125W
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.