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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i5-8400T @ 1.70GHz vs Intel Core i3-8300 @ 3.70GHz

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


×Intel Core i5-8400T @ 1.70GHz×Intel Core i3-8300 @ 3.70GHz+ ADD
Price$239.841$222.29
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Socket TypeFCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed1.7 GHz3.7 GHz
Turbo SpeedUp to 3.3 GHzNot Supported
# of Physical Cores6 (Threads: 6)4 (Threads: 4)
Max TDP35W62W
Yearly Running Cost$6.39$11.32
First Seen on ChartQ2 2018Q2 2018
# of Samples15359
Single Thread Rating(% diff. to max in group)1926(-15.0%)2266(0.0%)
CPU Mark(% diff. to max in group)7454(0.0%)6150(-17.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of July 2022 - Higher results represent better performance
Intel Core i5-8400T @ 1.70GHz
 7,454
Intel Core i3-8300 @ 3.70GHz
 6,150
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 1st of July 2022 - Higher results represent better value
Intel Core i5-8400T @ 1.70GHz
 31.08
Intel Core i3-8300 @ 3.70GHz
 27.66
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 1st of July 2022 - Higher results represent better performance
Intel Core i5-8400T @ 1.70GHz
 1,926
Intel Core i3-8300 @ 3.70GHz
 2,266
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 i5-8400T @ 1.70GHzIntel Core i3-8300 @ 3.70GHz
Max TDP35W62W
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.