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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.

×AMD Athlon II X4 638 Quad-Core×Intel Core2 Duo E7400 @ 2.80GHz+ ADD
Price$26.491$28.991
Socket TypeFM1LGA775
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores42
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ2 2015Q4 2008
# of Samples31202
Single Thread Rating9241143
CPU Mark31981769

CPU Mark Rating
As of 20th of November 2019 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
3,198
Intel Core2 Duo E7400 @ 2.80GHz
1,769
CPU Value (CPU Mark / $Price)
As of 20th of November 2019 - Higher results represent better value
AMD Athlon II X4 638 Quad-Core
120.73
Intel Core2 Duo E7400 @ 2.80GHz
61.05
CPU Single Thread Rating
As of 20th of November 2019 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
924
Intel Core2 Duo E7400 @ 2.80GHz
1,143

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.
AMD Athlon II X4 638 Quad-CoreIntel Core2 Duo E7400 @ 2.80GHz
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.