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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 B55Intel Core2 Quad Q9500 @ 2.83GHz
PriceSearch Online$34.991
Socket TypeAM2+/AM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.3 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDPNA295W
Yearly Running CostNA$17.34
First Seen on ChartQ1 2010Q2 2010
# of Samples511209
Single Thread Rating11111190
CPU Mark38533521
CPU Mark Rating
As of 16th of October 2019 - Higher results represent better performance
AMD Phenom II X4 B55
 3,853
Intel Core2 Quad Q9500 @ 2.83GHz
 3,521
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 16th of October 2019 - Higher results represent better value
AMD Phenom II X4 B55
 NA
Intel Core2 Quad Q9500 @ 2.83GHz
 100.63
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 16th of October 2019 - Higher results represent better performance
AMD Phenom II X4 B55
 1,111
Intel Core2 Quad Q9500 @ 2.83GHz
 1,190
PassMark Software © 2008-2019

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 B55Intel Core2 Quad Q9500 @ 2.83GHz
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.