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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-4930K @ 3.40GHz 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 i7-4930K @ 3.40GHz×Intel Core i5-8400 @ 2.80GHz+ ADD
Price$171.98
BUY NOW!		$109.99
BUY NOW!
Socket TypeLGA2011FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.4 GHz2.8 GHz
Turbo SpeedUp to 3.9 GHzUp to 4.0 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 6)
Max TDP130W65W
Yearly Running Cost$23.73$11.86
First Seen on ChartQ1 2013Q4 2017
# of Samples21944832
Single Thread Rating19632405
CPU Mark93639239

CPU Mark Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i7-4930K @ 3.40GHz
 9,363
Intel Core i5-8400 @ 2.80GHz
 9,239
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 25th of June 2022 - Higher results represent better value
Intel Core i7-4930K @ 3.40GHz
 54.44
Intel Core i5-8400 @ 2.80GHz
 84.00
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 25th of June 2022 - Higher results represent better performance
Intel Core i7-4930K @ 3.40GHz
 1,963
Intel Core i5-8400 @ 2.80GHz
 2,405
PassMark Software © 2008-2022

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 i7-4930K @ 3.40GHzIntel Core i5-8400 @ 2.80GHz
Max TDP130W65W
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.