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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon II X4 640 vs AMD Athlon II X4 645

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

×AMD Athlon II X4 640×AMD Athlon II X4 645+ ADD
Price$62.02
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$68.02
BUY NOW!
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ2 2010Q4 2010
# of Samples1646563
Cross-Platform Rating45724623
Single Thread Rating12111252
CPU Mark21292205

CPU Mark Rating
As of 27th of February 2021 - Higher results represent better performance
AMD Athlon II X4 640
2,129
AMD Athlon II X4 645
2,205
CPU Value (CPU Mark / $Price)
As of 27th of February 2021 - Higher results represent better value
AMD Athlon II X4 640
34.33
AMD Athlon II X4 645
32.41
CPU Single Thread Rating
As of 27th of February 2021 - Higher results represent better performance
AMD Athlon II X4 640
1,211
AMD Athlon II X4 645
1,252

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 640AMD Athlon II X4 645
Max TDP95W95W
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.