AMD Mobile Sempron SI-40: specs and benchmarks



AMD started Mobile Sempron SI-40 sales 4 July 2008. This is a Sable architecture notebook processor primarily aimed at home systems. It has 1 core and 1 thread, and is based on 65 manufacturing technology, with a maximum frequency of 2000 MHz and a locked multiplier.

Compatibility-wise, this is S1g2 processor with a TDP of 25 Watt.

We have no data on Mobile Sempron SI-40 benchmark results.

General info

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

Place in performance rankingnot rated
Place by popularitynot in top-100
Market segmentLaptop
SeriesAMD Mobile Sempron
Architecture codenameSable (2008−2009)
Release date4 July 2008 (15 years old)
Current price$7.54 of 17802 (Threadripper PRO 7995WX)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores1 (Single-Core)
Boost clock speed2 GHzof 6 (Core i9-13900KS)
Bus support1800 MHz
L2 cache512 KBof 36864 (Apple M2 Max)
Chip lithography65 nmof 3 (Apple M3 Max 16-Core)
Maximum core temperature100 °Cof 110 (Atom x7-E3950)
64 bit support+
Windows 11 compatibility-


Information on Mobile Sempron SI-40 compatibility with other computer components and devices: 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.

Power consumption (TDP)25 Wattof 400 (Xeon Platinum 9282)

Technologies and extensions

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

Instruction set extensions65 nm, 1.075 - 1.125V

Benchmark performance

Single-core and multi-core benchmark results of Mobile Sempron SI-40. Overall benchmark performance 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

Recommended GPUs

People consider these graphics cards to be good for Mobile Sempron SI-40, according to our PC configuration statistics.

These are the fastest graphics cards for Mobile Sempron SI-40 in our user configuration statistics. There is a total of 22 configurations based on Mobile Sempron SI-40 in our database.

User ratings: view and submit

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.

3.7 34 votes

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Questions and comments

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