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Differences What are the advantages of each

Front view of Intel Atom N270

Reasons to consider the
Intel Atom N270

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Higher clock speed 1.6 GHz vs 1 GHz More than 60% higher clock speed
Significantly better overclocked clock speed (Air) 1.87 GHz vs 1 GHz More than 85% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.6 GHz vs 1 GHz More than 60% better overclocked clock speed (Water)
Front view of AMD G G-T40R

Reasons to consider the
AMD G G-T40R

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer May, 2011 vs Jun, 2008 Release date over 3 years later

Features Key features of the Atom N270  vs G G-T40R 

clock speed

Atom N270
1.6 GHz
G G-T40R
1 GHz

L2 cache

Atom N270
0.5 MB
G G-T40R
0.5 MB

overclocked clock speed (air)

Atom N270
1.87 GHz
G G-T40R
1 GHz

overclocked clock speed (water)

Atom N270
1.6 GHz
G G-T40R
1 GHz

TDP

Atom N270
2.5W
G G-T40R
5.5W

Specifications Full list of technical specs

summary

Atom N270  vs
G G-T40R 
Clock speed 1.6 GHz 1 GHz
Cores Single core Single core

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
AMD64
AMD-V
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 2.5W 5.5W
Annual home energy cost 0.6 $/year 1.32 $/year
Annual commercial energy cost 2.19 $/year 4.82 $/year
Typical power consumption 2.03W 4.47W

details

Atom N270  vs
G G-T40R 
Threads 2 1
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 40 nm
Max CPUs 1 1
Clock multiplier 12 5

overclocking

Overclocked clock speed 1.87 GHz 1 GHz
Overclocked clock speed (Water) 1.6 GHz 1 GHz
Overclocked clock speed (Air) 1.87 GHz 1 GHz

integrated graphics

GPU None GPU
Label N/A AMD Radeon HD 6250
GPU clock speed N/A 280 MHz
Intel Atom N270
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AMD G G-T40R
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