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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 Athlon 64 X2 Dual Core 5400+
Price$481$52.991
Socket TypeAM3AM2
CPU ClassDesktopDesktop
Clockspeed3.0 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP80W65W
Yearly Running Cost$14.60$11.86
First Seen on ChartQ4 2009Q4 2008
# of Samples54201
Single Thread Rating1033846
CPU Mark19211450
CPU Mark Rating
As of 15th of October 2019 - Higher results represent better performance
AMD Phenom II X2 B55
1,921
AMD Athlon 64 X2 Dual Core 5400+
1,450
CPU Value (CPU Mark / $Price)
As of 15th of October 2019 - Higher results represent better value
AMD Phenom II X2 B55
40.02
AMD Athlon 64 X2 Dual Core 5400+
27.37
CPU Single Thread Rating
As of 15th of October 2019 - Higher results represent better performance
AMD Phenom II X2 B55
1,033
AMD Athlon 64 X2 Dual Core 5400+
846

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 Athlon 64 X2 Dual Core 5400+
Max TDP80W65W
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.