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Intel i5-11600K vs i5-12400F

The Intel Core i5-12400F is newer than Intel Core i5-11600K @ 3.90GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Core i5-12400F uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 16203 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 i5-11600K @ 3.90GHz×Intel Core i5-12400F+ ADD
Price $169 - BUY $159.99 - BUY
Socket TypeFCLGA1200FCLGA1700
CPU ClassDesktopDesktop
Clockspeed3.9 GHz2.5 GHz
Turbo SpeedUp to 4.9 GHzUp to 4.4 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 480KB, L2: 3.0MB, L3: 12MBL1: 480KB, L2: 7.5MB, L3: 18MB
TDP125W65W
Yearly Running Cost$22.81$11.86
OtherIntel UHD Graphics 750
First Seen on ChartQ2 2021Q1 2022
# of Samples242113782
CPU Rank950945
CPU Value115.5122.4
Single Thread Rating(% diff. to max in group)3341(-4.2%)3489(0.0%)
CPU Mark(% diff. to max in group)19514(-0.3%)19582(0.0%)

CPU Mark Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core i5-11600K @ 3.90GHz
19,514
Intel Core i5-12400F
19,582
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 12th of February 2026 - Higher results represent better value
Intel Core i5-11600K @ 3.90GHz
115.5
Intel Core i5-12400F
122.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 12th of February 2026 - Higher results represent better performance
Intel Core i5-11600K @ 3.90GHz
3,341
Intel Core i5-12400F
3,489
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 i5-11600K @ 3.90GHz Intel Core i5-12400F
Max TDP125W65W
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.