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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-8400 @ 2.80GHz vs Intel Core i5-2500K @ 3.30GHz

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

×Intel Core i5-8400 @ 2.80GHz×Intel Core i5-2500K @ 3.30GHz+ ADD
Price$219.05 BUY NOW!$434.261
Socket TypeFCLGA1151-2LGA1155
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.3 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.7 GHz
# of Physical Cores64
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ4 2017Q4 2010
# of Samples32356766
Single Thread Rating23321899
CPU Mark115656491

CPU Mark Rating
As of 26th of January 2020 - Higher results represent better performance
Intel Core i5-8400 @ 2.80GHz
11,565
Intel Core i5-2500K @ 3.30GHz
6,491
CPU Value (CPU Mark / $Price)
As of 26th of January 2020 - Higher results represent better value
Intel Core i5-8400 @ 2.80GHz
52.80
Intel Core i5-2500K @ 3.30GHz
14.95
CPU Single Thread Rating
As of 26th of January 2020 - Higher results represent better performance
Intel Core i5-8400 @ 2.80GHz
2,332
Intel Core i5-2500K @ 3.30GHz
1,899

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 i5-8400 @ 2.80GHzIntel Core i5-2500K @ 3.30GHz
Max TDP65W95W
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.