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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Sempron SI-40 vs AMD Sempron SI-42

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

×AMD Sempron SI-40×AMD Sempron SI-42+ ADD
Price$121$29.991
Socket TypeS1S1
CPU ClassLaptopLaptop
Clockspeed2.0 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
Max TDP25W25W
Yearly Running Cost$4.56$4.56
First Seen on ChartQ1 2009Q1 2009
# of Samples31122
Single Thread Rating53736503
CPU Mark257261
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 5th of December 2021 - Higher results represent better performance
AMD Sempron SI-40
257
AMD Sempron SI-42
261
CPU Value (CPU Mark / $Price)
As of 5th of December 2021 - Higher results represent better value
AMD Sempron SI-40
21.40
AMD Sempron SI-42
8.70
CPU Single Thread Rating
As of 5th of December 2021 - Higher results represent better performance
AMD Sempron SI-40
537
AMD Sempron SI-42
650

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 SI-40AMD Sempron SI-42
Max TDP25W25W
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.