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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Sempron 145 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 Sempron 145×AMD Athlon II X4 640+ ADD
Price$94.92 BUY NOW!$79.95 BUY NOW!
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores14
Max TDP45W95W
Yearly Running Cost$8.21$17.34
First Seen on ChartQ4 2010Q2 2010
# of Samples2691575
Single Thread Rating88731024
CPU Mark8063310

CPU Mark Rating
As of 17th of February 2020 - Higher results represent better performance
AMD Sempron 145
806
AMD Athlon II X4 640
3,310
CPU Value (CPU Mark / $Price)
As of 17th of February 2020 - Higher results represent better value
AMD Sempron 145
8.50
AMD Athlon II X4 640
41.40
CPU Single Thread Rating
As of 17th of February 2020 - Higher results represent better performance
AMD Sempron 145
887
AMD Athlon II X4 640
1,024

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 Sempron 145AMD Athlon II X4 640
Max TDP45W95W
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Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.