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Differences What are the advantages of each

Front view of Intel Celeron J1900

Reasons to consider the
Intel Celeron J1900

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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
Slightly lower typical power consumption 8.13W vs 12.19W Around 35% lower typical power consumption
Newer Oct, 2013 vs Jul, 2013 Release date 3 months later
Slightly lower annual home energy cost 2.41 $/year vs 3.61 $/year Around 35% lower annual home energy cost
Slightly lower annual commercial energy cost 8.76 $/year vs 13.14 $/year Around 35% lower annual commercial energy cost
Front view of Intel Atom C2538

Reasons to consider the
Intel Atom C2538

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Higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed

Features Key features of the Celeron J1900  vs Atom C2538 

clock speed

Atom C2538
2.4 GHz

overclocked clock speed (air)

Celeron J1900
2.42 GHz
Atom C2538
2.4 GHz

overclocked clock speed (water)

Celeron J1900
2.42 GHz
Atom C2538
2.4 GHz

Specifications Full list of technical specs

summary

Celeron J1900  vs
Atom C2538 
Clock speed 2 GHz 2.4 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes No

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 688 MHz N/A
Turbo clock speed 854 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 8,192 MB 65,536 MB

details

Celeron J1900  vs
Atom C2538 
Architecture x86-64 x86-64
Threads 4 4
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.42 GHz 2.4 GHz
Overclocked clock speed (Water) 2.42 GHz 2.4 GHz
Overclocked clock speed (Air) 2.42 GHz 2.4 GHz

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 FSB FSB
Number of links 1 1
Intel Celeron J1900
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Intel Atom C2538
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