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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core i3-8100 @ 3.60GHz vs Intel Core i5-8400 @ 2.80GHz vs Intel Core i7-8700 @ 3.20GHz

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

×Intel Core i3-8100 @ 3.60GHz×Intel Core i5-8400 @ 2.80GHz×Intel Core i7-8700 @ 3.20GHz+ ADD
Price$113.99
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$171.99
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$299.99
BUY NOW!
Socket TypeFCLGA1151-2FCLGA1151-2FCLGA1151-2
CPU ClassDesktopDesktopDesktop
Clockspeed3.6 GHz2.8 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 4.0 GHzUp to 4.6 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 6)6 (Threads: 12)
Max TDP65W65W65W
Yearly Running Cost$11.86$11.86$11.86
First Seen on ChartQ4 2017Q4 2017Q4 2017
# of Samples201538275234
Cross-Platform Rating117911737625026
Single Thread Rating225724142682
CPU Mark6150920813106

CPU Mark Rating
As of 25th of September 2020 - Higher results represent better performance
Intel Core i3-8100 @ 3.60GHz
6,150
Intel Core i5-8400 @ 2.80GHz
9,208
Intel Core i7-8700 @ 3.20GHz
13,106
CPU Value (CPU Mark / $Price)
As of 25th of September 2020 - Higher results represent better value
Intel Core i3-8100 @ 3.60GHz
53.95
Intel Core i5-8400 @ 2.80GHz
53.54
Intel Core i7-8700 @ 3.20GHz
43.69
CPU Single Thread Rating
As of 25th of September 2020 - Higher results represent better performance
Intel Core i3-8100 @ 3.60GHz
2,257
Intel Core i5-8400 @ 2.80GHz
2,414
Intel Core i7-8700 @ 3.20GHz
2,682

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 i3-8100 @ 3.60GHzIntel Core i5-8400 @ 2.80GHzIntel Core i7-8700 @ 3.20GHz
Max TDP65W65W65W
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.