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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
Newer Oct, 2013 vs Jul, 2013 Release date 3 months later
Front view of Intel Atom C2550

Reasons to consider the
Intel Atom C2550

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Much better geekbench 3 AES single core score 422,300 MB/s vs 56,900 MB/s Around 7.5x better geekbench 3 AES single core score
Much better performance per dollar 2.46 pt/$ vs 0.52 pt/$ Around 4.8x better performance per dollar
Higher clock speed 2.4 GHz vs 2 GHz Around 20% higher clock speed
Much better performance per watt 15.1 pt/W vs 4.27 pt/W More than 3.5x better performance per watt
Slightly higher turbo clock speed 2.6 GHz vs 2.42 GHz More than 5% higher turbo clock speed
Better geekbench 3 Multi-Core score 3,615 vs 2,927 Around 25% better geekbench 3 Multi-Core score

Benchmarks Real world tests of Celeron J1900 vs Atom C2550

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron J1900
56,900 MB/s
Atom C2550
422,300 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron J1900  vs
Atom C2550 
Clock speed 2 GHz 2.4 GHz
Turbo clock speed 2.42 GHz 2.6 GHz
Cores Quad core Quad core

features

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 C2550 
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 2.58 GHz
Overclocked clock speed (Water) 2.42 GHz 2.4 GHz
Overclocked clock speed (Air) 2.42 GHz 2.58 GHz

power consumption

TDP 10W 14W
Annual home energy cost 2.41 $/year 3.37 $/year
Annual commercial energy cost 8.76 $/year 12.26 $/year
Performance per watt 4.27 pt/W 15.1 pt/W
Typical power consumption 8.13W 11.38W

bus

Architecture FSB FSB
Number of links 1 1
Intel Celeron J1900
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Intel Atom C2550
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