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Intel i9-11900K vs i9-11900KF

The Intel Core i9-11900KF @ 3.50GHz is newer than Intel Core i9-11900K @ 3.50GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 5986 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 i9-11900K @ 3.50GHz×Intel Core i9-11900KF @ 3.50GHz+ ADD
Price $369.6 - BUY Search Online
Socket TypeFCLGA1200FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.5 GHz
Turbo SpeedUp to 5.2 GHzUp to 5.3 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 640KB, L2: 4.0MB, L3: 16MBL1: 640KB, L2: 4.0MB, L3: 16MB
TDP125W125W
Yearly Running Cost$22.81$22.81
Other
First Seen on ChartQ1 2021Q2 2021
# of Samples43161670
CPU Rank690705
CPU Value67.555.9
Single Thread Rating(% diff. to max in group)3505(-0.4%)3519(0.0%)
CPU Mark(% diff. to max in group)24949(0.0%)24550(-1.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of March 2026 - Higher results represent better performance
Intel Core i9-11900K @ 3.50GHz
24,949
Intel Core i9-11900KF @ 3.50GHz
24,550
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 5th of March 2026 - Higher results represent better value
Intel Core i9-11900K @ 3.50GHz
67.5
Intel Core i9-11900KF @ 3.50GHz
55.9
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 5th of March 2026 - Higher results represent better performance
Intel Core i9-11900K @ 3.50GHz
3,505
Intel Core i9-11900KF @ 3.50GHz
3,519
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 i9-11900K @ 3.50GHz Intel Core i9-11900KF @ 3.50GHz
Max TDP125W125W
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.