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Differences What are the advantages of each

Front view of Intel Xeon E3-1105C v2

Reasons to consider the
Intel Xeon E3-1105C v2

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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
More threads 8 vs 4 Twice as many threads
Front view of Intel Atom C2550

Reasons to consider the
Intel Atom C2550

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Much higher clock speed 2.4 GHz vs 1.8 GHz Around 35% higher clock speed
Much better overclocked clock speed (Air) 2.58 GHz vs 1.8 GHz Around 45% better overclocked clock speed (Air)
Lower typical power consumption 11.38W vs 20.31W Around 45% lower typical power consumption
Much better overclocked clock speed (Water) 2.4 GHz vs 1.8 GHz Around 35% better overclocked clock speed (Water)
Supports more RAM 65,536 MB vs 32,768 MB Supports 2x more RAM
Lower annual commercial energy cost 12.26 $/year vs 21.9 $/year Around 45% lower annual commercial energy cost
Lower annual home energy cost 3.37 $/year vs 6.02 $/year Around 45% lower annual home energy cost

Features Key features of the Xeon E3-1105C v2  vs Atom C2550 

clock speed

Atom C2550
2.4 GHz

overclocked clock speed (air)

Atom C2550
2.58 GHz

overclocked clock speed (water)

Atom C2550
2.4 GHz

Specifications Full list of technical specs

summary

Xeon E3-1105C v2  vs
Atom C2550 
Clock speed 1.8 GHz 2.4 GHz
Cores Quad core Quad core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 25W 14W
Annual home energy cost 6.02 $/year 3.37 $/year
Annual commercial energy cost 21.9 $/year 12.26 $/year
Typical power consumption 20.31W 11.38W

bus

Architecture DMI 2.0 FSB
Number of links 1 1

details

Xeon E3-1105C v2  vs
Atom C2550 
Architecture x86-64 x86-64
Threads 8 4
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature 0 - 100°C Unknown - 96°C

overclocking

Overclocked clock speed 1.8 GHz 2.58 GHz
Overclocked clock speed (Water) 1.8 GHz 2.4 GHz
Overclocked clock speed (Air) 1.8 GHz 2.58 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3
DDR3L-1066
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 65,536 MB
Intel Xeon E3-1105C v2
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Intel Atom C2550
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