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Intel Celeron M 520 vs AMD Sempron SI-40

The AMD Sempron SI-40 is newer than Intel Celeron M 520 @ 1.60GHz also around 17% faster in multi-threaded (CPU Mark) testing, it is around 20% faster in single-thread testing. However, Intel Celeron M 520 @ 1.60GHz uses around 18% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 101 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.
×Intel Celeron M 520 @ 1.60GHz×AMD Sempron SI-40+ ADD
Price Search Online Search Online
Socket TypePPGA478S1
CPU ClassLaptopLaptop
Clockspeed1.6 GHz2.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)1 (Threads: 1)
CacheL1: 64KB, L2: 1.0MB, L3: 0MBL1: 128KB, L2: 0.5MB,
TDP30W25W
Yearly Running Cost$5.48$4.56
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples6833
CPU Value0.024.0
Single Thread Rating(% diff. to max in group)5053(-19.9%)6313(0.0%)
CPU Mark(% diff. to max in group)239(-17.0%)288(0.0%)
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 8th of January 2025 - Higher results represent better performance
Intel Celeron M 520 @ 1.60GHz
239
AMD Sempron SI-40
288
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Celeron M 520 @ 1.60GHz
NA
AMD Sempron SI-40
24.0
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Celeron M 520 @ 1.60GHz
505
AMD Sempron SI-40
631
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.
Intel Celeron M 520 @ 1.60GHz AMD Sempron SI-40
Max TDP30W25W
Power consumption per day (kWh)0.060.05
Running cost per day$0.015$0.013
Power consumption per year (kWh)21.918.3
Running cost per year$5.47$4.56
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.