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Differences What are the advantages of each

Front view of Intel Atom Z650

Reasons to consider the
Intel Atom Z650

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Atom N270

Reasons to consider the
Intel Atom N270

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CPUBoss is not aware of any important advantages of the N270 vs the Z650.

Features Key features of the Atom Z650  vs N270 

clock speed

Atom Z650
1.2 GHz
Atom N270
1.6 GHz

L2 cache

Atom Z650
0.5 MB
Atom N270
0.5 MB

overclocked clock speed (air)

Atom Z650
1.2 GHz
Atom N270
1.87 GHz

overclocked clock speed (water)

Atom Z650
1.2 GHz
Atom N270
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Atom Z650  vs
N270 
Clock speed 1.2 GHz 1.6 GHz
Cores Single core Single core

features

Has a NX bit Yes Yes
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 3W 2.5W
Annual home energy cost 0.72 $/year 0.6 $/year
Typical power consumption 2.44W 2.03W

details

Atom Z650  vs
N270 
Architecture x86 x86
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
Max CPUs 1 1
Voltage range 1.11 - 1.5V 0.9 - 1.16V

overclocking

Overclocked clock speed 1.2 GHz 1.87 GHz
Overclocked clock speed (Water) 1.2 GHz 1.6 GHz
Overclocked clock speed (Air) 1.2 GHz 1.87 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
GPU clock speed 400 MHz N/A

bus

Architecture FSB FSB
Number of links 1 1
Intel Atom Z650
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Intel Atom N270
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