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Differences What are the advantages of each

Front view of Intel Core i3 3120ME

Reasons to consider the
Intel Core i3 3120ME

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Higher clock speed 2.4 GHz vs 1.86 GHz Around 30% higher clock speed
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
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
More number of displays supported 3 vs 2 1 more number of displays supported
Better overclocked clock speed (Air) 2.4 GHz vs 1.87 GHz Around 30% better overclocked clock speed (Air)
Higher Maximum operating temperature 105 °C vs 100 °C 5% higher Maximum operating temperature
Better overclocked clock speed (Water) 2.4 GHz vs 1.87 GHz Around 30% better overclocked clock speed (Water)
Newer Jul, 2012 vs Mar, 2012 Release date 3 months later
Front view of Intel Atom D2550

Reasons to consider the
Intel Atom D2550

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Significantly lower typical power consumption 8.13W vs 28.44W 3.5x lower typical power consumption
Significantly lower annual home energy cost 2.41 $/year vs 8.43 $/year 3.5x lower annual home energy cost
Significantly lower annual commercial energy cost 8.76 $/year vs 30.66 $/year 3.5x lower annual commercial energy cost

Features Key features of the Core i3 3120ME  vs Atom D2550 

clock speed

Core i3 3120ME
2.4 GHz
Atom D2550
1.86 GHz

L2 cache

gpu clock speed

Core i3 3120ME
650 MHz
Atom D2550
640 MHz

overclocked clock speed (air)

Core i3 3120ME
2.4 GHz
Atom D2550
1.87 GHz

overclocked clock speed (water)

Core i3 3120ME
2.4 GHz
Atom D2550
1.87 GHz

Specifications Full list of technical specs

summary

Core i3 3120ME  vs
Atom D2550 
Clock speed 2.4 GHz 1.86 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 35W 10W
Annual home energy cost 8.43 $/year 2.41 $/year
Annual commercial energy cost 30.66 $/year 8.76 $/year
Typical power consumption 28.44W 8.13W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Core i3 3120ME  vs
Atom D2550 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 105°C Unknown - 100°C

overclocking

Overclocked clock speed 2.4 GHz 1.87 GHz
Overclocked clock speed (Water) 2.4 GHz 1.87 GHz
Overclocked clock speed (Air) 2.4 GHz 1.87 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 Integrated
Number of displays supported 3 2
GPU clock speed 650 MHz 640 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Single Channel
Supports ECC Yes No
Maximum bandwidth 12,800 MB/s 8,533.33 MB/s
Maximum memory size 16,384 MB 4,096 MB
Intel Core i3 3120ME
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Intel Atom D2550
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