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Differences What are the advantages of each

Front view of Intel Xeon E3-1280 v3

Reasons to consider the
Intel Xeon E3-1280 v3

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Much higher clock speed 3.6 GHz vs 1.66 GHz Around 2.2x higher clock speed
Much newer manufacturing process 22 nm vs 45 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
Much better overclocked clock speed (Air) 3.6 GHz vs 1.82 GHz Around 2x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Newer Apr, 2013 vs Mar, 2011 Release date over 2 years later
Much better overclocked clock speed (Water) 3.6 GHz vs 1.67 GHz Around 2.2x better overclocked clock speed (Water)
Front view of Intel Atom N570

Reasons to consider the
Intel Atom N570

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 6.91W vs 66.63W 9.6x lower typical power consumption
Much lower annual home energy cost 2.05 $/year vs 19.75 $/year 9.6x lower annual home energy cost
Much lower annual commercial energy cost 7.45 $/year vs 71.83 $/year 9.6x lower annual commercial energy cost

Features Key features of the Xeon E3-1280 v3  vs Atom N570 

clock speed

Xeon E3-1280 v3
3.6 GHz
Atom N570
1.66 GHz

overclocked clock speed (air)

Xeon E3-1280 v3
3.6 GHz
Atom N570
1.82 GHz

overclocked clock speed (water)

Xeon E3-1280 v3
3.6 GHz
Atom N570
1.67 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E3-1280 v3  vs
Atom N570 
Clock speed 3.6 GHz 1.66 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 82W 8.5W
Annual home energy cost 19.75 $/year 2.05 $/year
Annual commercial energy cost 71.83 $/year 7.45 $/year
Typical power consumption 66.63W 6.91W

bus

Architecture DMI DMI
Number of links 0 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Xeon E3-1280 v3  vs
Atom N570 
Architecture x86-64 x86-64
Threads 8 4
Manufacture process 22 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.6 GHz 1.82 GHz
Overclocked clock speed (Water) 3.6 GHz 1.67 GHz
Overclocked clock speed (Air) 3.6 GHz 1.82 GHz

integrated graphics

GPU None GPU
Label N/A Integrated
GPU clock speed N/A 200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Single Channel
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Maximum memory size 32,768 MB 2,048 MB
Intel Xeon E3-1280 v3
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Intel Atom N570
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