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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 @ 2.00GHz×Intel Core2 Duo E8400 @ 3.00GHz+ ADD
Price$49.991$45.51
Socket TypeLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.0 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ4 2008Q4 2008
# of Samples4316512
Single Thread Rating7381248
CPU Mark11582148

CPU Mark Rating
As of 17th of November 2019 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
1,158
Intel Core2 Duo E8400 @ 3.00GHz
2,148
CPU Value (CPU Mark / $Price)
As of 17th of November 2019 - Higher results represent better value
Intel Core2 Duo E4400 @ 2.00GHz
23.17
Intel Core2 Duo E8400 @ 3.00GHz
47.22
CPU Single Thread Rating
As of 17th of November 2019 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
738
Intel Core2 Duo E8400 @ 3.00GHz
1,248

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 E8400 @ 3.00GHz
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.