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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X2 B55 vs AMD Phenom II X2 545

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


×AMD Phenom II X2 B55×AMD Phenom II X2 545+ ADD
Price$47.951$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 Samples5781
Single Thread Rating10341026
CPU Mark19201918

CPU Mark Rating
As of 21st of February 2020 - Higher results represent better performance
AMD Phenom II X2 B55
 1,920
AMD Phenom II X2 545
 1,918
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 21st of February 2020 - Higher results represent better value
AMD Phenom II X2 B55
 40.06
AMD Phenom II X2 545
 43.62
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 21st of February 2020 - Higher results represent better performance
AMD Phenom II X2 B55
 1,034
AMD Phenom II X2 545
 1,026
PassMark Software © 2008-2020

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.