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Differences What are the advantages of each

Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
More l2 cache 0.5 MB vs 0.25 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Newer Jan, 2010 vs Jul, 2004 Release date over 5 years later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Front view of AMD Sempron 2300+

Reasons to consider the
AMD Sempron 2300+

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Better PassMark (Single core) score 622 vs 242 More than 2.5x better PassMark (Single core) score

Benchmarks Real world tests of Atom N450 vs Sempron 2300+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom N450  vs
Sempron 2300+ 
Clock speed 1.66 GHz 1.58 GHz
Cores Single core Single core

features

Has a NX bit Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3

details

Atom N450  vs
Sempron 2300+ 
Threads 2 1
L2 cache 0.5 MB 0.25 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.9 GHz 2.04 GHz
Overclocked clock speed (Water) 1.67 GHz 1.58 GHz
Overclocked clock speed (Air) 1.9 GHz 2.04 GHz

power consumption

Typical power consumption 4.47W N/A
Intel Atom N450
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AMD Sempron 2300+
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