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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 557 vs AMD Athlon II X4 640

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

×AMD Athlon II X4 557×AMD Athlon II X4 640+ ADD
PriceSearch Online$14.98
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Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.0 GHz
Turbo SpeedUp to 3.7 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP160W95W
Yearly Running Cost$29.20$17.34
First Seen on ChartQ2 2021Q2 2010
# of Samples11667
Cross-Platform Rating61294617
Single Thread Rating13451208
CPU Mark25672142

CPU Mark Rating
As of 26th of October 2021 - Higher results represent better performance
AMD Athlon II X4 557
2,567
AMD Athlon II X4 640
2,142
CPU Value (CPU Mark / $Price)
As of 26th of October 2021 - Higher results represent better value
AMD Athlon II X4 557
NA
AMD Athlon II X4 640
142.99
CPU Single Thread Rating
As of 26th of October 2021 - Higher results represent better performance
AMD Athlon II X4 557
1,345
AMD Athlon II X4 640
1,208

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 Athlon II X4 640
Max TDP160W95W
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.