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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 1400 @ 1400MHzAMD Sempron 2300+
PriceSearch Online$451
Socket TypeSocket 370Socket A
CPU ClassDesktopDesktop
Clockspeed1.4 GHz1.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores11
Max TDP31.2WNA2
Yearly Running Cost$5.69NA
First Seen on ChartQ2 2009Q1 2009
# of Samples48
Single Thread Rating41834833
CPU Mark297318
CPU Mark Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Pentium III 1400 @ 1400MHz
 297
AMD Sempron 2300+
 318
PassMark Software © 2008-2019
CPU Value (CPU Mark / $Price)
As of 16th of October 2019 - Higher results represent better value
Intel Pentium III 1400 @ 1400MHz
 NA
AMD Sempron 2300+
 7.07
PassMark Software © 2008-2019
CPU Single Thread Rating
As of 16th of October 2019 - Higher results represent better performance
Intel Pentium III 1400 @ 1400MHz
 418
AMD Sempron 2300+
 483
PassMark Software © 2008-2019

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 1400 @ 1400MHzAMD Sempron 2300+
Max TDP31.2WNA
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.