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Over 1,000,000 CPUs benchmarked

Intel i5-12400T vs i7-8700K

The Intel Core i5-12400T is newer than Intel Core i7-8700K @ 3.70GHz also around 16% faster in multi-threaded (CPU Mark) testing, it is around 19% faster in single-thread testing. However, Intel Core i7-8700K @ 3.70GHz uses around 25% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 15087 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 i5-12400T×Intel Core i7-8700K @ 3.70GHz+ ADD
Price Search Online $157.65 - BUY
Socket TypeFCLGA1700FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed1.8 GHz3.7 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 480KB, L2: 7.5MB, L3: 18MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP74W95W
Yearly Running Cost$13.51$17.34
OtherIntel UHD Graphics 730Intel UHD Graphics 630
First Seen on ChartQ3 2022Q4 2017
# of Samples7015017
CPU Value107.986.4
Single Thread Rating(% diff. to max in group)3356(0.0%)2727(-18.8%)
CPU Mark(% diff. to max in group)16185(0.0%)13622(-15.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Core i5-12400T
16,185
Intel Core i7-8700K @ 3.70GHz
13,622
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
Intel Core i5-12400T
107.9
Intel Core i7-8700K @ 3.70GHz
86.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
Intel Core i5-12400T
3,356
Intel Core i7-8700K @ 3.70GHz
2,727
PassMark Software © 2008-2024
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 i5-12400T Intel Core i7-8700K @ 3.70GHz
Max TDP74W95W
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.