Atom N270 vs Celeron M 540

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Aggregate performance score

Celeron M 540
2007
1 core / 1 thread, 30 Watt
0.34
+278%
Atom N270
2008
1 core / 2 threads, 2 Watt
0.09

Celeron M 540 outperforms Atom N270 by a whopping 278% based on our aggregate benchmark results.

Primary details

Comparing Celeron M 540 and Atom N270 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30733395
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesCeleron MIntel Atom
Power efficiency1.073.41
Architecture codenameMerom (2006−2008)DiamondVille (2008−2009)
Release date1 October 2007 (17 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)no data$44

Detailed specifications

Celeron M 540 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 speed1.86 GHz0.1 GHz
Bus typeno dataFSB
Bus rate533 MHz533.33 MT/s
Multiplierno data12
L1 cacheno data56 KB
L2 cache1 MB512 KB
L3 cacheno data0 KB
Chip lithography65 nm45 nm
Die sizeno data25.9638 mm2
Maximum core temperatureno data90 °C
Number of transistorsno data47 Million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data0.9V-1.1625V

Compatibility

Information on Celeron M 540 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)
Socketno dataPBGA437
Power consumption (TDP)30 Watt2.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 540 and Atom N270. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® 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

Celeron M 540 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 Celeron M 540 and Atom N270 are enumerated here.

VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 540 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.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron M 540 0.34
+278%
Atom N270 0.09

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron M 540 542
+299%
Atom N270 136

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Celeron M 540 1744
+222%
Atom N270 541

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.

Celeron M 540 803
+66.1%
Atom N270 483

Gaming performance

Pros & cons summary


Performance score 0.34 0.09
Recency 1 October 2007 2 April 2008
Threads 1 2
Chip lithography 65 nm 45 nm
Power consumption (TDP) 30 Watt 2 Watt

Celeron M 540 has a 277.8% higher aggregate performance score.

Atom N270, on the other hand, has an age advantage of 6 months, 100% more threads, a 44.4% more advanced lithography process, and 1400% lower power consumption.

The Celeron M 540 is our recommended choice as it beats the Atom N270 in performance tests.


Should you still have questions on choice between Celeron M 540 and Atom N270, ask them in Comments section, and we shall answer.

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Intel Celeron M 540
Celeron M 540
Intel Atom N270
Atom N270

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Community ratings

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


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Questions & comments

Here you can ask a question about Celeron M 540 or Atom N270, agree or disagree with our judgements, or report an error or mismatch.