Atom N270 vs Mobile Sempron SI-42

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Primary details

Comparing Mobile Sempron SI-42 and Atom N270 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Mobile SempronIntel Atom
Architecture codenameSable (2008−2009)DiamondVille (2008−2009)
Release date1 September 2009 (15 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)no data$44

Detailed specifications

Mobile Sempron SI-42 and Atom N270 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)
Threads12
Base clock speedno data1.6 GHz
Boost clock speed2.1 GHz0.1 GHz
Bus typeno dataFSB
Bus rate1800 MHz533.33 MT/s
Multiplierno data12
L1 cache128 KB56 KB
L2 cache512 KB512 KB
L3 cacheno data0 KB
Chip lithography65 nm45 nm
Die sizeno data25.9638 mm2
Maximum core temperature100 °C90 °C
Number of transistorsno data47 Million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data0.9V-1.1625V

Compatibility

Information on Mobile Sempron SI-42 and Atom N270 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 (Uniprocessor)
SocketS1g2PBGA437
Power consumption (TDP)25 Watt2.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Atom N270. You'll probably need this information if you require some particular technology.

Instruction set extensions65 nm, 1.075 - 1.125Intel® SSE, Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data-
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Mobile Sempron SI-42 and Atom N270 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and Atom N270 are enumerated here.

VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and Atom N270. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory sizeno data8 GB

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.

Mobile Sempron SI-42 787
+62.9%
Atom N270 483

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Mobile Sempron SI-42 76
+65.8%
Atom N270 126

Pros & cons summary


Recency 1 September 2009 2 April 2008
Threads 1 2
Chip lithography 65 nm 45 nm
Power consumption (TDP) 25 Watt 2 Watt

Mobile Sempron SI-42 has an age advantage of 1 year.

Atom N270, on the other hand, has 100% more threads, a 44.4% more advanced lithography process, and 1150% lower power consumption.

We couldn't decide between Mobile Sempron SI-42 and Atom N270. We've got no test results to judge.


Should you still have questions on choice between Mobile Sempron SI-42 and Atom N270, ask them in Comments section, and we shall answer.

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AMD Mobile Sempron SI-42
Mobile Sempron SI-42
Intel Atom N270
Atom N270

Similar processor comparisons

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Community ratings

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


3.1 14 votes

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2.7 225 votes

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Questions & comments

Here you can ask a question about Mobile Sempron SI-42 or Atom N270, agree or disagree with our judgements, or report an error or mismatch.