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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X3 455 vs Intel Core2 Quad Q9400 @ 2.66GHz

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


×AMD Athlon II X3 455×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
Price$39.991$38.011
Socket TypeAM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores3 (Threads: 3)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2010Q4 2008
# of Samples3642328
Single Thread Rating13431140
CPU Mark18412073
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of June 2022 - Higher results represent better performance
AMD Athlon II X3 455
 1,841
Intel Core2 Quad Q9400 @ 2.66GHz
 2,073
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 27th of June 2022 - Higher results represent better value
AMD Athlon II X3 455
 46.04
Intel Core2 Quad Q9400 @ 2.66GHz
 54.54
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 27th of June 2022 - Higher results represent better performance
AMD Athlon II X3 455
 1,343
Intel Core2 Quad Q9400 @ 2.66GHz
 1,140
PassMark Software © 2008-2022

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 X3 455Intel Core2 Quad Q9400 @ 2.66GHz
Max TDP95W95W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.