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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-9400T @ 1.80GHz vs Intel Core i5-8400T @ 1.70GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.


×Intel Core i5-9400T @ 1.80GHz×Intel Core i5-8400T @ 1.70GHz+ ADD
Price$1821$229.96
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Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed1.8 GHz1.7 GHz
Turbo SpeedUp to 3.4 GHzUp to 3.3 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)
Max TDP35W35W
Yearly Running Cost$6.39$6.39
First Seen on ChartQ2 2019Q2 2018
# of Samples30105
Cross-Platform Rating1467613969
Single Thread Rating20541924
CPU Mark77827371
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of January 2021 - Higher results represent better performance
Intel Core i5-9400T @ 1.80GHz
 7,782
Intel Core i5-8400T @ 1.70GHz
 7,371
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 26th of January 2021 - Higher results represent better value
Intel Core i5-9400T @ 1.80GHz
 42.76
Intel Core i5-8400T @ 1.70GHz
 32.05
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 26th of January 2021 - Higher results represent better performance
Intel Core i5-9400T @ 1.80GHz
 2,054
Intel Core i5-8400T @ 1.70GHz
 1,924
PassMark Software © 2008-2021

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 i5-9400T @ 1.80GHzIntel Core i5-8400T @ 1.70GHz
Max TDP35W35W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.