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Differences What are the advantages of each

Front view of Intel Pentium J2900

Reasons to consider the
Intel Pentium J2900

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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
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much higher GPU clock speed 688 MHz vs 200 MHz Around 3.5x higher GPU clock speed
Much lower typical power consumption 8.13W vs 28.44W 3.5x lower typical power consumption
Much lower annual home energy cost 2.41 $/year vs 8.43 $/year 3.5x lower annual home energy cost
Much lower annual commercial energy cost 8.76 $/year vs 30.66 $/year 3.5x lower annual commercial energy cost
Front view of Intel Celeron G1840T

Reasons to consider the
Intel Celeron G1840T

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Supports more RAM 32,768 MB vs 8,192 MB Supports 4x more RAM
More number of displays supported 3 vs 2 1 more number of displays supported

Benchmarks Real world tests of Pentium J2900 vs Celeron G1840T

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium J2900  vs
Celeron G1840T 
Clock speed 2.41 GHz 2.5 GHz
Cores Quad core Dual core

features

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

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 3
GPU clock speed 688 MHz 200 MHz
Turbo clock speed 896 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 12,800 MB/s 21,333.32 MB/s
Maximum memory size 8,192 MB 32,768 MB

details

Pentium J2900  vs
Celeron G1840T 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.67 GHz 2.5 GHz
Overclocked clock speed (Water) 2.66 GHz 2.5 GHz
Overclocked clock speed (Air) 2.67 GHz 2.5 GHz

power consumption

TDP 10W 35W
Annual home energy cost 2.41 $/year 8.43 $/year
Annual commercial energy cost 8.76 $/year 30.66 $/year
Performance per watt 6.24 pt/W 3.84 pt/W
Typical power consumption 8.13W 28.44W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Pentium J2900
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Intel Celeron G1840T
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