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Intel i5-11600K vs i5-12400

The Intel Core i5-12400 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 i5-12400 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 7333 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 i5-12400+ ADD
Price $189 - BUY Search Online
Socket TypeFCLGA1200LGA 1700
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 750Intel UHD Graphics 730
First Seen on ChartQ2 2021Q1 2022
# of Samples22495084
CPU Value103.397.9
Single Thread Rating(% diff. to max in group)3343(-3.4%)3462(0.0%)
CPU Mark(% diff. to max in group)19521(0.0%)18792(-3.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Core i5-11600K @ 3.90GHz
19,521
Intel Core i5-12400
18,792
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of November 2025 - Higher results represent better value
Intel Core i5-11600K @ 3.90GHz
103.3
Intel Core i5-12400
97.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Core i5-11600K @ 3.90GHz
3,343
Intel Core i5-12400
3,462
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 i5-11600K @ 3.90GHz Intel Core i5-12400
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.