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Differences What are the advantages of each

Front view of Intel Atom S1220

Reasons to consider the
Intel Atom S1220

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
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
Newer Dec, 2012 vs Jan, 2010 Release date over 2 years later
Slightly lower typical power consumption 6.58W vs 10.56W Around 40% lower typical power consumption
Slightly lower annual commercial energy cost 7.1 $/year vs 11.39 $/year Around 40% lower annual commercial energy cost
Slightly lower annual home energy cost 1.95 $/year vs 3.13 $/year Around 40% lower annual home energy cost
Front view of Intel Atom D510

Reasons to consider the
Intel Atom D510

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Slightly better overclocked clock speed (Air) 1.77 GHz vs 1.6 GHz More than 10% better overclocked clock speed (Air)

Features Key features of the Atom S1220  vs D510 

clock speed

Atom S1220
1.6 GHz
Atom D510
1.66 GHz

L2 cache

Atom S1220
1 MB
Atom D510
1 MB

overclocked clock speed (air)

Atom S1220
1.6 GHz
Atom D510
1.77 GHz

overclocked clock speed (water)

Atom S1220
1.6 GHz
Atom D510
1.67 GHz

TDP

Specifications Full list of technical specs

summary

Atom S1220  vs
D510 
Clock speed 1.6 GHz 1.66 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 8.1W 13W
Annual home energy cost 1.95 $/year 3.13 $/year
Annual commercial energy cost 7.1 $/year 11.39 $/year
Typical power consumption 6.58W 10.56W

bus

Architecture FSB DMI
Number of links 1 1

details

Atom S1220  vs
D510 
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 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.6 GHz 1.77 GHz
Overclocked clock speed (Water) 1.6 GHz 1.67 GHz
Overclocked clock speed (Air) 1.6 GHz 1.77 GHz

integrated graphics

GPU None GPU
Label N/A Integrated

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3
DDR2-800
DDR2-667
DDR2
Channels Single Channel Single Channel
Supports ECC Yes No
Maximum bandwidth 10,666.66 MB/s 6,400 MB/s
Maximum memory size 8,192 MB 4,096 MB
Intel Atom S1220
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Intel Atom D510
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