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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 X2 B55AMD Phenom II X2 545
Price$481$43.981
Socket TypeAM3AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP80W80W
Yearly Running Cost$14.60$14.60
First Seen on ChartQ4 2009Q2 2009
# of Samples5481
Single Thread Rating10331026
CPU Mark19211918
CPU Mark Rating
As of 17th of October 2019 - Higher results represent better performance
AMD Phenom II X2 B55
 1,921
AMD Phenom II X2 545
 1,918
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 17th of October 2019 - Higher results represent better value
AMD Phenom II X2 B55
 40.02
AMD Phenom II X2 545
 43.62
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 17th of October 2019 - Higher results represent better performance
AMD Phenom II X2 B55
 1,033
AMD Phenom II X2 545
 1,026
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 X2 B55AMD Phenom II X2 545
Max TDP80W80W
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.