iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-8400 @ 2.80GHz vs Intel Core i5-8400T @ 1.70GHz vs Intel Core i7-6700K @ 4.00GHz

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 i5-8400T @ 1.70GHz×Intel Core i7-6700K @ 4.00GHz+ ADD
Price$169.97
BUY NOW!
$233.95
BUY NOW!
$289.99
BUY NOW!
Socket TypeFCLGA1151-2FCLGA1151-2LGA1151
CPU ClassDesktopDesktopDesktop
Clockspeed2.8 GHz1.7 GHz4.0 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.3 GHzUp to 4.2 GHz
# of Physical Cores6 (Threads: 6)6 (Threads: 6)4 (Threads: 8)
Max TDP65W35W95W
Yearly Running Cost$11.86$6.39$17.34
First Seen on ChartQ4 2017Q2 2018Q2 2015
# of Samples37368713257
Cross-Platform Rating172331455916683
Single Thread Rating241219782533
CPU Mark919676498970

CPU Mark Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core i5-8400 @ 2.80GHz
9,196
Intel Core i5-8400T @ 1.70GHz
7,649
Intel Core i7-6700K @ 4.00GHz
8,970
CPU Value (CPU Mark / $Price)
As of 6th of August 2020 - Higher results represent better value
Intel Core i5-8400 @ 2.80GHz
54.10
Intel Core i5-8400T @ 1.70GHz
32.69
Intel Core i7-6700K @ 4.00GHz
30.93
CPU Single Thread Rating
As of 6th of August 2020 - Higher results represent better performance
Intel Core i5-8400 @ 2.80GHz
2,412
Intel Core i5-8400T @ 1.70GHz
1,978
Intel Core i7-6700K @ 4.00GHz
2,533

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 i5-8400T @ 1.70GHzIntel Core i7-6700K @ 4.00GHz
Max TDP65W35W95W
Power consumption per day (kWh)abcabcabc
Running cost per dayabcabcabc
Power consumption per year (kWh)abcabcabc
Running cost per yearabcabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.