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Differences What are the advantages of each

Front view of Intel Atom C2518

Reasons to consider the
Intel Atom C2518

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More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Supports more RAM 32,768 MB vs 16,384 MB Supports 2x more RAM
Front view of Intel Atom C2338

Reasons to consider the
Intel Atom C2338

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Much better performance per watt 5.5 pt/W vs 3.24 pt/W Around 70% better performance per watt
Slightly lower typical power consumption 5.69W vs 10.56W More than 45% lower typical power consumption
Slightly lower annual home energy cost 1.69 $/year vs 3.13 $/year More than 45% lower annual home energy cost
Slightly lower annual commercial energy cost 6.13 $/year vs 11.39 $/year More than 45% lower annual commercial energy cost

Features Key features of the Atom C2518  vs C2338 

clock speed

Atom C2518
1.7 GHz
Atom C2338
1.7 GHz

TDP

Specifications Full list of technical specs

summary

Atom C2518  vs
C2338 
Clock speed 1.7 GHz 1.7 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
Supports dynamic frequency scaling No No

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Dual Channel Single Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 6,400 MB/s
Maximum memory size 32,768 MB 16,384 MB

details

Atom C2518  vs
C2338 
Architecture x86-64 x86-64
Threads 4 2
Manufacture process 22 nm 22 nm
Max CPUs 1 1

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

power consumption

TDP 13W 7W
Annual home energy cost 3.13 $/year 1.69 $/year
Annual commercial energy cost 11.39 $/year 6.13 $/year
Performance per watt 3.24 pt/W 5.5 pt/W
Typical power consumption 10.56W 5.69W

bus

Architecture FSB FSB
Number of links 1 1
Intel Atom C2518
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Intel Atom C2338
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