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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 @ 2.66GHz vs AMD Phenom II X4 905e

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

×Intel Core2 Quad Q9400 @ 2.66GHz×AMD Phenom II X4 905e+ ADD
Price$48.031$53.991
Socket TypeLGA775AM3
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W65W
Yearly Running Cost$17.34$11.86
First Seen on ChartQ4 2008Q2 2009
# of Samples212942
Single Thread Rating10331062
CPU Mark19551911

CPU Mark Rating
As of 1st of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,955
AMD Phenom II X4 905e
1,911
CPU Value (CPU Mark / $Price)
As of 1st of April 2020 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
40.70
AMD Phenom II X4 905e
35.39
CPU Single Thread Rating
As of 1st of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,033
AMD Phenom II X4 905e
1,062

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 Quad Q9400 @ 2.66GHzAMD Phenom II X4 905e
Max TDP95W65W
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.