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Differences What are the advantages of each

Front view of Intel Xeon E3-1220LV2

Reasons to consider the
Intel Xeon E3-1220LV2

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Much higher clock speed 2.3 GHz vs 1.6 GHz Around 45% higher clock speed
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 1.8 GHz vs 1.6 GHz More than 10% better overclocked clock speed (Air)
Supports more RAM 33,003.52 MB vs 8,192 MB Supports more than 4x more RAM
Significantly better overclocked clock speed (Water) 1.8 GHz vs 1.6 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Atom S1220

Reasons to consider the
Intel Atom S1220

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Lower typical power consumption 6.58W vs 13.81W 2.1x lower typical power consumption
Lower annual commercial energy cost 7.1 $/year vs 14.89 $/year 2.1x lower annual commercial energy cost
Lower annual home energy cost 1.95 $/year vs 4.1 $/year 2.1x lower annual home energy cost
Newer Dec, 2012 vs May, 2012 Release date 7 months later

Features Key features of the Xeon E3-1220LV2  vs Atom S1220 

clock speed

Xeon E3-1220LV2
2.3 GHz
Atom S1220
1.6 GHz

L2 cache

overclocked clock speed (air)

Xeon E3-1220LV2
1.8 GHz
Atom S1220
1.6 GHz

overclocked clock speed (water)

Xeon E3-1220LV2
1.8 GHz
Atom S1220
1.6 GHz

Specifications Full list of technical specs

summary

Xeon E3-1220LV2  vs
Atom S1220 
Clock speed 2.3 GHz 1.6 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 8.1W
Annual home energy cost 4.1 $/year 1.95 $/year
Annual commercial energy cost 14.89 $/year 7.1 $/year
Typical power consumption 13.81W 6.58W

bus

Architecture DMI FSB
Number of links 1 1

details

Xeon E3-1220LV2  vs
Atom S1220 
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

overclocking

Overclocked clock speed 1.8 GHz 1.6 GHz
Overclocked clock speed (Water) 1.8 GHz 1.6 GHz
Overclocked clock speed (Air) 1.8 GHz 1.6 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
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Single Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 10,666.66 MB/s
Maximum memory size 33,003.52 MB 8,192 MB
Intel Xeon E3-1220LV2
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Intel Atom S1220
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