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Intel i9-9900K vs i5-12400F

The Intel Core i5-12400F is newer than Intel Core i9-9900K @ 3.60GHz also around 7% faster in multi-threaded (CPU Mark) testing, it is around 16% faster in single-thread testing. However, Intel Core i9-9900K @ 3.60GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 20608 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 i9-9900K @ 3.60GHz×Intel Core i5-12400F+ ADD
Price $390 - BUY $109.95 - BUY
Socket TypeFCLGA1151-2FCLGA1700
CPU ClassDesktopDesktop
Clockspeed3.6 GHz2.5 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.4 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L3: 16MBL1: 480KB, L2: 7.5MB, L3: 18MB
TDP95W65W
Yearly Running Cost$17.34$11.86
OtherIntel UHD Graphics 630
First Seen on ChartQ4 2018Q1 2022
# of Samples140696539
CPU Value46.7177.3
Single Thread Rating(% diff. to max in group)2924(-16.3%)3495(0.0%)
CPU Mark(% diff. to max in group)18216(-6.6%)19496(0.0%)

CPU Mark Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i9-9900K @ 3.60GHz
18,216
Intel Core i5-12400F
19,496
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 5th of February 2025 - Higher results represent better value
Intel Core i9-9900K @ 3.60GHz
46.7
Intel Core i5-12400F
177.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 5th of February 2025 - Higher results represent better performance
Intel Core i9-9900K @ 3.60GHz
2,924
Intel Core i5-12400F
3,495
PassMark Software © 2008-2025
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 i9-9900K @ 3.60GHz Intel Core i5-12400F
Max TDP95W65W
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.