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Mobile AMD Sempron 3100+ vs Sempron SI-42

The AMD Sempron SI-42 is newer than Mobile AMD Sempron 3100+, while Mobile AMD Sempron 3100+ is around 12% faster in multi-threaded (CPU Mark) testing, but AMD Sempron SI-42 is around 44% faster in single-thread testing. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 136 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Mobile AMD Sempron 3100+×AMD Sempron SI-42+ ADD
Price Search Online Search Online
Socket TypeSocket 754S1
CPU ClassLaptopLaptop
Clockspeed1.8 GHz2.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 0.3MB, L1: 128KB, L2: 0.5MB,
TDPNA225W
Yearly Running CostNA$4.56
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples10126
CPU Value0.08.2
Single Thread Rating(% diff. to max in group)3593(-43.7%)6373(0.0%)
CPU Mark(% diff. to max in group)277(0.0%)245(-11.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
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 3rd of April 2025 - Higher results represent better performance
Mobile AMD Sempron 3100+
277
AMD Sempron SI-42
245
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
Mobile AMD Sempron 3100+
NA
AMD Sempron SI-42
8.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
Mobile AMD Sempron 3100+
359
AMD Sempron SI-42
637
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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.
Mobile AMD Sempron 3100+ AMD Sempron SI-42
Max TDPNA25W
Power consumption per day (kWh)NA0.05
Running cost per dayNA$0.013
Power consumption per year (kWh)NA18.3
Running cost per yearNA$4.56
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.