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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Quad Q9400 @ 2.66GHz vs AMD Phenom 9550 Quad-Core

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 9550 Quad-Core+ ADD
Price$25.49 BUY NOW!$13.9 BUY NOW!
Socket TypeLGA775AM2+
CPU ClassDesktopDesktop
Clockspeed2.7 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2008Q4 2008
# of Samples2130464
Cross-Platform Rating49703958
Single Thread Rating1049877
CPU Mark19661691

CPU Mark Rating
As of 3rd of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,966
AMD Phenom 9550 Quad-Core
1,691
CPU Value (CPU Mark / $Price)
As of 3rd of April 2020 - Higher results represent better value
Intel Core2 Quad Q9400 @ 2.66GHz
77.13
AMD Phenom 9550 Quad-Core
121.63
CPU Single Thread Rating
As of 3rd of April 2020 - Higher results represent better performance
Intel Core2 Quad Q9400 @ 2.66GHz
1,049
AMD Phenom 9550 Quad-Core
877

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 9550 Quad-Core
Max TDP95W95W
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.