AMD Mobile Sempron SI-42 vs Mobile Sempron SI-40

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General info

Comparing Mobile Sempron SI-40 and Mobile Sempron SI-42 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Mobile SempronAMD Mobile Sempron
Architecture codenameSable (2008−2009)Sable (2008−2009)
Release date4 July 2008 (15 years old)1 September 2009 (14 years old)
Current price$7.54 $17.37

Technical specs

Mobile Sempron SI-40 and Mobile Sempron SI-42 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores1 (Single-Core)1 (Single-Core)
Threads11
Boost clock speed2 GHz2.1 GHz
Bus support1800 MHz1800 MHz
L1 cacheno data128 KB
L2 cache512 KB512 KB
Chip lithography65 nm65 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Mobile Sempron SI-40 and Mobile Sempron SI-42 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

SocketS1g2S1g2
Power consumption (TDP)25 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Mobile Sempron SI-42. You'll probably need this information if you require some particular technology.

Instruction set extensions65 nm, 1.075 - 1.125V65 nm, 1.075 - 1.125

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

Mobile Sempron SI-40 772
Mobile Sempron SI-42 787
+1.9%

Mobile Sempron SI-42 outperforms Mobile Sempron SI-40 by 2% in 3DMark06 CPU.

Advantages and disadvantages


Recency 4 July 2008 1 September 2009

We couldn't decide between Mobile Sempron SI-40 and Mobile Sempron SI-42. We've got no test results to judge.


Should you still have questions on choice between Mobile Sempron SI-40 and Mobile Sempron SI-42, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Mobile Sempron SI-40
Mobile Sempron SI-40
AMD Mobile Sempron SI-42
Mobile Sempron SI-42

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User ratings: view and submit

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3.7 34 votes

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3.1 14 votes

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Questions and comments

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