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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.

×Intel Pentium III 1266S @ 1266MHz×AMD Sempron 2400++ ADD
PriceSearch Online$261
Socket TypeSocket 370Socket A
CPU ClassDesktopDesktop
Clockspeed1.3 GHz1.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores11
Max TDP30.4WNA2
Yearly Running Cost$5.55NA
First Seen on ChartQ2 2009Q4 2008
# of Samples122
Single Thread RatingNA4943
CPU Mark309314

CPU Mark Rating
As of 16th of November 2019 - Higher results represent better performance
Intel Pentium III 1266S @ 1266MHz
309
AMD Sempron 2400+
314
CPU Value (CPU Mark / $Price)
As of 16th of November 2019 - Higher results represent better value
Intel Pentium III 1266S @ 1266MHz
NA
AMD Sempron 2400+
12.10
CPU Single Thread Rating
As of 16th of November 2019 - Higher results represent better performance
Intel Pentium III 1266S @ 1266MHz
NA
AMD Sempron 2400+
494

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.
Intel Pentium III 1266S @ 1266MHzAMD Sempron 2400+
Max TDP30.4WNA
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.