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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X2 B55 vs AMD Athlon II X2 250

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

×AMD Phenom II X2 B55×AMD Athlon II X2 250+ ADD
Price$47.951$16.95
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Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP80W65W
Yearly Running Cost$14.60$11.86
First Seen on ChartQ4 2009Q2 2009
# of Samples591612
Cross-Platform Rating31252289
Single Thread Rating1249311173
CPU Mark12011068
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 1st of June 2020 - Higher results represent better performance
AMD Phenom II X2 B55
1,201
AMD Athlon II X2 250
1,068
CPU Value (CPU Mark / $Price)
As of 1st of June 2020 - Higher results represent better value
AMD Phenom II X2 B55
25.04
AMD Athlon II X2 250
63.01
CPU Single Thread Rating
As of 1st of June 2020 - Higher results represent better performance
AMD Phenom II X2 B55
1,249
AMD Athlon II X2 250
1,117

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 II X2 250
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.