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Mobile AMD Athlon 64 3700+ vs Sempron SI-40

The AMD Sempron SI-40 is newer than Mobile AMD Athlon 64 3700+, while Mobile AMD Athlon 64 3700+ is around 19% faster in multi-threaded (CPU Mark) testing, but AMD Sempron SI-40 is around 23% faster in single-thread testing. However, AMD Sempron SI-40 uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 36 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 Athlon 64 3700+×AMD Sempron SI-40+ ADD
Price Search Online Search Online
Socket TypeNA2S1
CPU ClassLaptopLaptop
Clockspeed2.4 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 128KB, L2: 1.0MB, L1: 128KB, L2: 0.5MB,
TDP81.5W25W
Yearly Running Cost$14.78$4.56
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples333
CPU Value0.024.0
Single Thread Rating(% diff. to max in group)4853(-23.2%)6313(0.0%)
CPU Mark(% diff. to max in group)356(0.0%)288(-19.1%)
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 1st of November 2024 - Higher results represent better performance
Mobile AMD Athlon 64 3700+
356
AMD Sempron SI-40
288
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 1st of November 2024 - Higher results represent better value
Mobile AMD Athlon 64 3700+
NA
AMD Sempron SI-40
24.0
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of November 2024 - Higher results represent better performance
Mobile AMD Athlon 64 3700+
485
AMD Sempron SI-40
631
PassMark Software © 2008-2024
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 Athlon 64 3700+ AMD Sempron SI-40
Max TDP81.5W25W
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.