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Differences What are the advantages of each

Front view of Intel Atom D2550

Reasons to consider the
Intel Atom D2550

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Significantly higher clock speed 1.86 GHz vs 1 GHz More than 85% higher clock speed
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
Much higher GPU clock speed 640 MHz vs 280 MHz More than 2.2x higher GPU clock speed
Significantly newer manufacturing process 32 nm vs 40 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 1.87 GHz vs 1 GHz More than 85% better overclocked clock speed (Air)
More threads 4 vs 1 3 more threads
Higher Maximum operating temperature 100 °C vs 90 °C More than 10% higher Maximum operating temperature
More cores 2 vs 1 Twice as many cores; run more applications at once
Significantly better overclocked clock speed (Water) 1.87 GHz vs 1 GHz More than 85% better overclocked clock speed (Water)
Newer Mar, 2012 vs May, 2011 Release date 9 months later
Front view of AMD G G-T40R

Reasons to consider the
AMD G G-T40R

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Features Key features of the Atom D2550  vs G G-T40R 

clock speed

Atom D2550
1.86 GHz
G G-T40R
1 GHz

L2 cache

Atom D2550
1 MB
G G-T40R
0.5 MB

gpu clock speed

Atom D2550
640 MHz
G G-T40R
280 MHz

overclocked clock speed (air)

Atom D2550
1.87 GHz
G G-T40R
1 GHz

overclocked clock speed (water)

Atom D2550
1.87 GHz
G G-T40R
1 GHz

TDP

G G-T40R
5.5W

Specifications Full list of technical specs

summary

Atom D2550  vs
G G-T40R 
Clock speed 1.86 GHz 1 GHz
Cores Dual core Single core

features

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

power consumption

TDP 10W 5.5W
Annual home energy cost 2.41 $/year 1.32 $/year
Annual commercial energy cost 8.76 $/year 4.82 $/year
Typical power consumption 8.13W 4.47W

details

Atom D2550  vs
G G-T40R 
Threads 4 1
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 40 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 90°C

overclocking

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

integrated graphics

GPU GPU GPU
Label Integrated AMD Radeon HD 6250
GPU clock speed 640 MHz 280 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Single Channel Single Channel
Maximum bandwidth 8,533.33 MB/s 8,533.33 MB/s
Intel Atom D2550
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AMD G G-T40R
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