Phenom II X4 955 (95W) vs Mobile Sempron SI-40

Primary details

Comparing Mobile Sempron SI-40 and Phenom II X4 955 (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3216not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Mobile Sempronno data
Power efficiency0.76no data
Architecture codenameSable (2008−2009)Deneb (2009−2011)
Release date4 July 2008 (16 years ago)1 April 2009 (15 years ago)

Detailed specifications

Mobile Sempron SI-40 and Phenom II X4 955 (95W) 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)4 (Quad-Core)
Threads14
Base clock speedno data3.2 GHz
Boost clock speed2 GHz3.2 GHz
Bus rate1800 MHzno data
L1 cacheno data128 KB (per core)
L2 cache512 KB512 KB (per core)
L3 cacheno data6 MB (shared)
Chip lithography65 nm45 nm
Die sizeno data258 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Mobile Sempron SI-40 and Phenom II X4 955 (95W) 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.

Number of CPUs in a configurationno data1
SocketS1g2AM3
Power consumption (TDP)25 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W). You'll probably need this information if you require some particular technology.

Instruction set extensions65 nm, 1.075 - 1.125Vno data

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W) are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Mobile Sempron SI-40 and Phenom II X4 955 (95W).

PCIe versionno data2.0

Pros & cons summary


Recency 4 July 2008 1 April 2009
Physical cores 1 4
Threads 1 4
Chip lithography 65 nm 45 nm
Power consumption (TDP) 25 Watt 95 Watt

Mobile Sempron SI-40 has 280% lower power consumption.

Phenom II X4 955 (95W), on the other hand, has an age advantage of 8 months, 300% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.

We couldn't decide between Mobile Sempron SI-40 and Phenom II X4 955 (95W). We've got no test results to judge.

Be aware that Mobile Sempron SI-40 is a notebook processor while Phenom II X4 955 (95W) is a desktop one.


Should you still have questions on choice between Mobile Sempron SI-40 and Phenom II X4 955 (95W), ask them in Comments section, and we shall answer.

Vote for your favorite

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 Phenom II X4 955 (95W)
Phenom II X4 955 (95W)

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.7 35 votes

Rate Mobile Sempron SI-40 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 815 votes

Rate Phenom II X4 955 (95W) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Mobile Sempron SI-40 or Phenom II X4 955 (95W), agree or disagree with our judgements, or report an error or mismatch.