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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-5775C @ 3.30GHz vs Intel Core i5-8400 @ 2.80GHz

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

×Intel Core i7-5775C @ 3.30GHz×Intel Core i5-8400 @ 2.80GHz+ ADD
Price$240
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$109.99
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Socket TypeFCLGA1150FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.8 GHz
Turbo SpeedUp to 3.7 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 6)
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ2 2015Q4 2017
# of Samples1824842
Single Thread Rating23182404
CPU Mark78019239

CPU Mark Rating
As of 26th of June 2022 - Higher results represent better performance
Intel Core i7-5775C @ 3.30GHz
7,801
Intel Core i5-8400 @ 2.80GHz
9,239
CPU Value (CPU Mark / $Price)
As of 26th of June 2022 - Higher results represent better value
Intel Core i7-5775C @ 3.30GHz
32.50
Intel Core i5-8400 @ 2.80GHz
84.00
CPU Single Thread Rating
As of 26th of June 2022 - Higher results represent better performance
Intel Core i7-5775C @ 3.30GHz
2,318
Intel Core i5-8400 @ 2.80GHz
2,404

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 i7-5775C @ 3.30GHzIntel Core i5-8400 @ 2.80GHz
Max TDP65W65W
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.