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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 557 vs AMD Phenom II X4 955

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

×AMD Athlon II X4 557×AMD Phenom II X4 955+ ADD
PriceSearch Online$176.181
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.2 GHz
Turbo SpeedUp to 3.7 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP160W125W
Yearly Running Cost$29.20$22.81
First Seen on ChartQ2 2021Q1 2009
# of Samples13798
Cross-Platform Rating61295934
Single Thread Rating13451313
CPU Mark25672429
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of September 2021 - Higher results represent better performance
AMD Athlon II X4 557
2,567
AMD Phenom II X4 955
2,429
CPU Value (CPU Mark / $Price)
As of 18th of September 2021 - Higher results represent better value
AMD Athlon II X4 557
NA
AMD Phenom II X4 955
13.79
CPU Single Thread Rating
As of 18th of September 2021 - Higher results represent better performance
AMD Athlon II X4 557
1,345
AMD Phenom II X4 955
1,313

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 X4 557AMD Phenom II X4 955
Max TDP160W125W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.