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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X2 255 vs AMD Athlon 64 X2 Dual Core 5400+

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

×AMD Athlon II X2 255×AMD Athlon 64 X2 Dual Core 5400++ ADD
Price$65.221$52.991
Socket TypeAM3AM2
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores22
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ1 2010Q4 2008
# of Samples373202
Single Thread Rating1046846
CPU Mark18421451

CPU Mark Rating
As of 27th of January 2020 - Higher results represent better performance
AMD Athlon II X2 255
1,842
AMD Athlon 64 X2 Dual Core 5400+
1,451
CPU Value (CPU Mark / $Price)
As of 27th of January 2020 - Higher results represent better value
AMD Athlon II X2 255
28.25
AMD Athlon 64 X2 Dual Core 5400+
27.38
CPU Single Thread Rating
As of 27th of January 2020 - Higher results represent better performance
AMD Athlon II X2 255
1,046
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 Athlon II X2 255AMD Athlon 64 X2 Dual Core 5400+
Max TDP65W65W
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.