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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 ChartQ3 2021Q1 2009
# of Samples13848
Single Thread Rating13451303
CPU Mark25672436
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of June 2022 - Higher results represent better performance
AMD Athlon II X4 557
 2,567
AMD Phenom II X4 955
 2,436
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 26th of June 2022 - Higher results represent better value
AMD Athlon II X4 557
 NA
AMD Phenom II X4 955
 13.83
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 26th of June 2022 - Higher results represent better performance
AMD Athlon II X4 557
 1,345
AMD Phenom II X4 955
 1,303
PassMark Software © 2008-2022

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.