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Differences What are the advantages of each

Front view of Intel Atom Z530

Reasons to consider the
Intel Atom Z530

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Atom N455

Reasons to consider the
Intel Atom N455

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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 Z530 vs N455

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom Z530
505.5
Atom N455
538

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom Z530
357.5
Atom N455
390

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom Z530
25.35 MB/s
Atom N455
25,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

Atom Z530
458.5
Atom N455
490

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom Z530  vs
N455 
Clock speed 1.6 GHz 1.66 GHz
Cores Single core Single 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 2W 6.5W
Annual home energy cost 0.48 $/year 1.57 $/year
Performance per watt 8.02 pt/W 3.88 pt/W
Typical power consumption 1.63W 5.28W

details

Atom Z530  vs
N455 
Architecture x86 x86-64
Threads 2 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 47,000,000 123,000,000
Max CPUs 1 1
Clock multiplier 12 10

overclocking

Overclocked clock speed 1.65 GHz 1.88 GHz
Overclocked clock speed (Water) 1.6 GHz 1.67 GHz
Overclocked clock speed (Air) 1.65 GHz 1.88 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 Z530
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Intel Atom N455
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