CPUBoss Review Our evaluation of N550 vs N450

Performance

Benchmark performance using all cores

3DMark06 (CPU), Passmark and GeekBench (32-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?

TDP

Features

How does CPUBoss rank the features of each product?

Features and specifications that differ between products

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Features

Winner
Intel Atom N450 

CPUBoss recommends the Intel Atom N450  based on its .

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VS
Front view of Intel Atom N450

Intel Atom N450

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Atom N550

Reasons to consider the
Intel Atom N550

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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 4 vs 2 Twice as many threads
More cores 2 vs 1 Twice as many cores; run more applications at once
Marginally newer Aug, 2010 vs Jan, 2010 Release date 7 months later
Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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Slightly higher clock speed 1.66 GHz vs 1.5 GHz More than 10% higher clock speed
Better overclocked clock speed (Water) 1.67 GHz vs 1.5 GHz More than 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Atom N550 vs N450

GeekBench (32-bit)

GeekBench

Atom N550
1,101
Atom N450
1,014

Passmark (Single Core)

Specifications Full list of technical specs

summary

Atom N550  vs
N450 
Clock speed 1.5 GHz 1.66 GHz
Cores Dual core Single core
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has vitualization support No No
Instruction-set-extensions
MMX
SSE
SSE3
SSE2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

gpu

GPU GPU GPU
Label Integrated Integrated

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR2-667
Channels Single Channel Single Channel
Maximum bandwidth 6,400 MB/s 5,333.33 MB/s
Maximum memory size 2,048 MB 2,048 MB

details

Atom N550  vs
N450 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nms 45 nms
Transistor count 176,000,000 123,000,000
Max CPUs 1 1

overclocking

Overclocked clock speed 1.74 GHz 1.88 GHz
Overclocked clock speed (Water) 1.5 GHz 1.67 GHz
Overclocked clock speed (Air) 1.74 GHz 1.88 GHz

power consumption

TDP 8.5W 5.5W
Annual home energy cost 2.05 $/year 1.32 $/year
Performance per watt 11.8 pt/W 11.92 pt/W
Typical power consumption 6.91W 4.47W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s
Intel Atom N550
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Intel Atom N450
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