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Differences What are the advantages of each

Front view of Intel Atom D2700

Reasons to consider the
Intel Atom D2700

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Atom C2538

Reasons to consider the
Intel Atom C2538

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Much newer manufacturing process 22 nm vs 32 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
Higher clock speed 2.4 GHz vs 2.13 GHz Around 15% higher clock speed
Newer Jul, 2013 vs Sep, 2011 Release date over 1 years later
More cores 4 vs 2 Twice as many cores; run more applications at once

Features Key features of the Atom D2700  vs C2538 

clock speed

Atom D2700
2.13 GHz
Atom C2538
2.4 GHz

overclocked clock speed (air)

Atom D2700
2.13 GHz
Atom C2538
2.4 GHz

overclocked clock speed (water)

Atom D2700
2.13 GHz
Atom C2538
2.4 GHz

TDP

Specifications Full list of technical specs

summary

Atom D2700  vs
C2538 
Clock speed 2.13 GHz 2.4 GHz
Cores Dual core Quad core

features

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

power consumption

TDP 10W 15W
Annual home energy cost 2.41 $/year 3.61 $/year
Annual commercial energy cost 8.76 $/year 13.14 $/year
Typical power consumption 8.13W 12.19W

bus

Architecture DMI FSB
Number of links 1 1

details

Atom D2700  vs
C2538 
Architecture x86-64 x86-64
Threads 4 4
Manufacture process 32 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.13 GHz 2.4 GHz
Overclocked clock speed (Water) 2.13 GHz 2.4 GHz
Overclocked clock speed (Air) 2.13 GHz 2.4 GHz

integrated graphics

GPU GPU None
Label Integrated N/A
Number of displays supported 2 N/A
GPU clock speed 640 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Single Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 8,533.33 MB/s 12,800 MB/s
Maximum memory size 4,096 MB 65,536 MB
Intel Atom D2700
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Intel Atom C2538
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Comments

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Incorrect supported instructions list for C2538
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