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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i3-9350K @ 4.00GHz 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 i3-9350K @ 4.00GHz×Intel Core i5-8400 @ 2.80GHz+ ADD
Price$1841$169.97
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Socket TypeFCLGA1151FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed4.0 GHz2.8 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)
Max TDP91W65W
Yearly Running Cost$16.61$11.86
First Seen on ChartQ2 2020Q4 2017
# of Samples23738
Cross-Platform Rating1875717239
Single Thread Rating32292413
CPU Mark89699198
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of August 2020 - Higher results represent better performance
Intel Core i3-9350K @ 4.00GHz
8,969
Intel Core i5-8400 @ 2.80GHz
9,198
CPU Value (CPU Mark / $Price)
As of 7th of August 2020 - Higher results represent better value
Intel Core i3-9350K @ 4.00GHz
48.75
Intel Core i5-8400 @ 2.80GHz
54.11
CPU Single Thread Rating
As of 7th of August 2020 - Higher results represent better performance
Intel Core i3-9350K @ 4.00GHz
3,229
Intel Core i5-8400 @ 2.80GHz
2,413

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 i3-9350K @ 4.00GHzIntel Core i5-8400 @ 2.80GHz
Max TDP91W65W
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.