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Differences What are the advantages of each

Front view of Intel Atom Z550

Reasons to consider the
Intel Atom Z550

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Atom N550

Reasons to consider the
Intel Atom N550

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Benchmarks Real world tests of Atom Z550 vs N550

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Atom Z550
934
Atom N550
1,101

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Atom Z550  vs
N550 
Clock speed 2 GHz 1.5 GHz
Cores Single core Dual core

features

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

power consumption

TDP 2.4W 8.5W
Annual home energy cost 0.58 $/year 2.05 $/year
Performance per watt 6.48 pt/W 3.26 pt/W
Typical power consumption 1.95W 6.91W

details

Atom Z550  vs
N550 
Architecture x86 x86-64
Threads 2 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 47,000,000 176,000,000
Max CPUs 1 1

overclocking

Overclocked clock speed 2.16 GHz 1.76 GHz
Overclocked clock speed (Water) 2 GHz 1.5 GHz
Overclocked clock speed (Air) 2.16 GHz 1.76 GHz

integrated graphics

GPU None GPU
Label N/A Integrated
GPU clock speed N/A 200 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Atom Z550
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Intel Atom N550
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