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Intel i5-8600T vs i5-9400

The Intel Core i5-9400 @ 2.90GHz is newer than Intel Core i5-8600T @ 2.30GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core i5-9400 @ 2.90GHz is around 6% faster in single-thread testing. However, Intel Core i5-8600T @ 2.30GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2529 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 i5-8600T @ 2.30GHz×Intel Core i5-9400 @ 2.90GHz+ ADD
Price Search Online $135.69 - BUY
Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed2.3 GHz2.9 GHz
Turbo SpeedUp to 3.7 GHzUp to 4.1 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)
CacheL1: 384KB, L2: 1.5MB, L3: 9MBL1: 384KB, L2: 1.5MB, L3: 9MB
TDP35W65W
Yearly Running Cost$6.39$11.86
OtherIntel UHD Graphics 630Intel UHD Graphics 630
First Seen on ChartQ2 2018Q1 2019
# of Samples6431886
CPU Value46.569.2
Single Thread Rating(% diff. to max in group)2278(-6.4%)2435(0.0%)
CPU Mark(% diff. to max in group)9305(-0.9%)9394(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i5-8600T @ 2.30GHz
9,305
Intel Core i5-9400 @ 2.90GHz
9,394
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core i5-8600T @ 2.30GHz
46.5
Intel Core i5-9400 @ 2.90GHz
69.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i5-8600T @ 2.30GHz
2,278
Intel Core i5-9400 @ 2.90GHz
2,435
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 i5-8600T @ 2.30GHz Intel Core i5-9400 @ 2.90GHz
Max TDP35W65W
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.