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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 @ 2.66GHz vs AMD Phenom II X4 945

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 945+ ADD
Price$38.01 BUY NOW!$30.8 BUY NOW!
Socket TypeLGA775AM3
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W125W
Yearly Running Cost$17.34$22.81
First Seen on ChartQ4 2008Q2 2009
# of Samples21341451
Cross-Platform Rating50775696
Single Thread Rating10711249
CPU Mark20032286

CPU Mark Rating
As of 8th of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
2,003
AMD Phenom II X4 945
2,286
CPU Value (CPU Mark / $Price)
As of 8th of April 2020 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
52.70
AMD Phenom II X4 945
74.23
CPU Single Thread Rating
As of 8th of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,071
AMD Phenom II X4 945
1,249

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 945
Max TDP95W125W
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.