iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i7-7740X @ 4.30GHz 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 i7-7740X @ 4.30GHz×Intel Core i5-8400 @ 2.80GHz+ ADD
Price$599
BUY NOW!
$169.97
BUY NOW!
Socket TypeFCLGA2066FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed4.3 GHz2.8 GHz
Turbo SpeedUp to 4.5 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 6)
Max TDP112W65W
Yearly Running Cost$20.44$11.86
First Seen on ChartQ2 2017Q4 2017
# of Samples1513738
Cross-Platform Rating1829917239
Single Thread Rating28422413
CPU Mark98889198

CPU Mark Rating
As of 7th of August 2020 - Higher results represent better performance
Intel Core i7-7740X @ 4.30GHz
9,888
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 i7-7740X @ 4.30GHz
16.51
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 i7-7740X @ 4.30GHz
2,842
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 i7-7740X @ 4.30GHzIntel Core i5-8400 @ 2.80GHz
Max TDP112W65W
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.