Atom N450 vs Sempron 140

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Primary details

Comparing Sempron 140 and Atom N450 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 segmentDesktop processorLaptop
Seriesno dataIntel Atom
Architecture codenameSargas (2009−2011)Pinetrail (2009−2011)
Release date22 July 2009 (15 years ago)21 December 2009 (14 years ago)
Launch price (MSRP)$40$64

Detailed specifications

Sempron 140 and Atom N450 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 speed2.7 GHz1.66 GHz
Boost clock speed2.7 GHz1.67 GHz
Bus rateno data533 MHz
L1 cache128 KB (per core)56 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size117 mm266 mm2
Maximum core temperatureno data100 °C
Number of transistors234 million123 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Sempron 140 and Atom N450 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 configuration11
SocketAM3FCBGA559
Power consumption (TDP)45 Watt5.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Sempron 140 and Atom N450. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Thermal Monitoring-+
Demand Based Switchingno data-

Security technologies

Sempron 140 and Atom N450 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Sempron 140 and Atom N450 are enumerated here.

VT-dno data-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Sempron 140 and Atom N450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2
Maximum memory sizeno data2 GB
Max memory channelsno data1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Sempron 140 and Atom N450.

PCIe version2.0no data

Synthetic benchmark performance

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



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.

Sempron 140 486
+139%
Atom N450 203

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Sempron 140 310
+331%
Atom N450 72

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Sempron 140 316
+177%
Atom N450 114

Pros & cons summary


Recency 22 July 2009 21 December 2009
Threads 1 2
Power consumption (TDP) 45 Watt 5 Watt

Atom N450 has an age advantage of 4 months, 100% more threads, and 800% lower power consumption.

We couldn't decide between Sempron 140 and Atom N450. We've got no test results to judge.

Note that Sempron 140 is a desktop processor while Atom N450 is a notebook one.


Should you still have questions on choice between Sempron 140 and Atom N450, ask them in Comments section, and we shall answer.

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AMD Sempron 140
Sempron 140
Intel Atom N450
Atom N450

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Community ratings

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


3.2 230 votes

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2.9 172 votes

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Questions & comments

Here you can ask a question about Sempron 140 or Atom N450, agree or disagree with our judgements, or report an error or mismatch.