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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 Phenom II X4 B50×Intel Core2 Quad Q9400 @ 2.66GHz+ ADD
PriceSearch Online$48.031
Socket TypeAM2+/AM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDPNA295W
Yearly Running CostNA$17.34
First Seen on ChartQ2 2009Q4 2008
# of Samples4082068
Single Thread Rating10941127
CPU Mark36963337

CPU Mark Rating
As of 7th of December 2019 - Higher results represent better performance
AMD Phenom II X4 B50
3,696
Intel Core2 Quad Q9400 @ 2.66GHz
3,337
CPU Value (CPU Mark / $Price)
As of 7th of December 2019 - Higher results represent better value
AMD Phenom II X4 B50
NA
Intel Core2 Quad Q9400 @ 2.66GHz
69.48
CPU Single Thread Rating
As of 7th of December 2019 - Higher results represent better performance
AMD Phenom II X4 B50
1,094
Intel Core2 Quad Q9400 @ 2.66GHz
1,127

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 Phenom II X4 B50Intel Core2 Quad Q9400 @ 2.66GHz
Max TDPNA95W
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.