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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

Intel Core i5-9400F @ 2.90GHzIntel Core i5-8400T @ 1.70GHz
Price$144.99 BUY NOW!$199 BUY NOW!
Socket TypeFCLGA1151FCLGA1151
CPU ClassDesktop, LaptopDesktop
Clockspeed2.9 GHz1.7 GHz
Turbo SpeedUp to 4.1 GHzUp to 3.3 GHz
# of Physical Cores66
Max TDP65W35W
Yearly Running Cost$11.86$6.39
First Seen on ChartQ1 2019Q2 2018
# of Samples60354
Single Thread Rating23961924
CPU Mark121129503
CPU Mark Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Core i5-9400F @ 2.90GHz
12,112
Intel Core i5-8400T @ 1.70GHz
9,503
CPU Value (CPU Mark / $Price)
As of 16th of October 2019 - Higher results represent better value
Intel Core i5-9400F @ 2.90GHz
83.54
Intel Core i5-8400T @ 1.70GHz
47.76
CPU Single Thread Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Core i5-9400F @ 2.90GHz
2,396
Intel Core i5-8400T @ 1.70GHz
1,924

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 i5-9400F @ 2.90GHzIntel Core i5-8400T @ 1.70GHz
Max TDP65W35W
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.