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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

Intel Core2 Duo E4400 @ 2.00GHzIntel Core2 Duo E6420 @ 2.13GHz
Price$49.991$49.991
Socket TypeLGA775PLGA775
CPU ClassDesktopDesktop
Clockspeed2.0 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ4 2008Q4 2008
# of Samples430305
Single Thread Rating738807
CPU Mark11571360
CPU Mark Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
1,157
Intel Core2 Duo E6420 @ 2.13GHz
1,360
CPU Value (CPU Mark / $Price)
As of 20th of October 2019 - Higher results represent better value
Intel Core2 Duo E4400 @ 2.00GHz
23.16
Intel Core2 Duo E6420 @ 2.13GHz
27.21
CPU Single Thread Rating
As of 20th of October 2019 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
738
Intel Core2 Duo E6420 @ 2.13GHz
807

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 Core2 Duo E4400 @ 2.00GHzIntel Core2 Duo E6420 @ 2.13GHz
Max TDP65W65W
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.