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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 641 Quad-Core vs AMD Athlon II X3 445

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

×AMD Athlon II X4 641 Quad-Core×AMD Athlon II X3 445+ ADD
Price$12.32
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$15
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Socket TypeFM1AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)3 (Threads: 3)
Max TDP100W95W
Yearly Running Cost$18.25$17.34
First Seen on ChartQ1 2012Q3 2010
# of Samples88311
Single Thread Rating(% diff. to max in group)1192(-6.7%)1278(0.0%)
CPU Mark(% diff. to max in group)2143(0.0%)1804(-15.8%)

CPU Mark Rating
As of 4th of July 2022 - Higher results represent better performance
AMD Athlon II X4 641 Quad-Core
2,143
AMD Athlon II X3 445
1,804
CPU Value (CPU Mark / $Price)
As of 4th of July 2022 - Higher results represent better value
AMD Athlon II X4 641 Quad-Core
173.97
AMD Athlon II X3 445
120.27
CPU Single Thread Rating
As of 4th of July 2022 - Higher results represent better performance
AMD Athlon II X4 641 Quad-Core
1,192
AMD Athlon II X3 445
1,278

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 641 Quad-CoreAMD Athlon II X3 445
Max TDP100W95W
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.