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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

×AMD Athlon II X4 645×AMD Phenom II X4 B95+ ADD
Price$79.95 BUY NOW!$72.951
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores44
Max TDP95W95W
Yearly Running Cost$17.34$17.34
First Seen on ChartQ4 2010Q1 2010
# of Samples535134
Single Thread Rating10711046
CPU Mark34653676

CPU Mark Rating
As of 14th of December 2019 - Higher results represent better performance
AMD Athlon II X4 645
3,465
AMD Phenom II X4 B95
3,676
CPU Value (CPU Mark / $Price)
As of 14th of December 2019 - Higher results represent better value
AMD Athlon II X4 645
43.35
AMD Phenom II X4 B95
50.40
CPU Single Thread Rating
As of 14th of December 2019 - Higher results represent better performance
AMD Athlon II X4 645
1,071
AMD Phenom II X4 B95
1,046

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 645AMD Phenom II X4 B95
Max TDP95W95W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.