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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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Higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
Much higher GPU clock speed 688 MHz vs 300 MHz More than 2.2x higher GPU clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly better overclocked clock speed (Air) 2.42 GHz vs 1.6 GHz More than 50% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Slightly lower typical power consumption 8.13W vs 12.19W Around 35% lower typical power consumption
Significantly better overclocked clock speed (Water) 2.42 GHz vs 1.6 GHz More than 50% better overclocked clock speed (Water)
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 3855U

Reasons to consider the
Intel 3855U

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better geekbench 3 single core score 1,758 vs 924 More than 90% better geekbench 3 single core score
More number of displays supported 3 vs 2 1 more number of displays supported
Better performance per dollar 0.72 pt/$ vs 0.52 pt/$ Around 40% better performance per dollar
Better turbo clock speed 900 MHz vs 854 MHz More than 5% better turbo clock speed
Newer Oct, 2015 vs Oct, 2013 Release date over 2 years later
Better performance per watt 5.17 pt/W vs 4.27 pt/W More than 20% better performance per watt

Benchmarks Real world tests of Celeron J1900 vs 3855U

GeekBench 3 (Multi-core) Data courtesy Primate Labs

3855U
2,869

GeekBench 3 (Single core) Data courtesy Primate Labs

3855U
1,758

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron J1900
56,900 MB/s
3855U
2,220 MB/s

PassMark Data courtesy Passmark

3855U
1,715

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron J1900  vs
3855U 
Clock speed 2 GHz 1.6 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 510
Number of displays supported 2 3
GPU clock speed 688 MHz 300 MHz
Turbo clock speed 854 MHz 900 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3
LPDDR3-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 29,866.66 MB/s
Maximum memory size 8,192 MB 32,768 MB

details

Celeron J1900  vs
3855U 
Architecture x86-64 x86-64
Threads 4 2
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.42 GHz 1.6 GHz
Overclocked clock speed (Water) 2.42 GHz 1.6 GHz
Overclocked clock speed (Air) 2.42 GHz 1.6 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
Performance per watt 4.27 pt/W 5.17 pt/W
Typical power consumption 8.13W 12.19W

bus

Architecture FSB FSB
Number of links 1 1
Intel Celeron J1900
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Intel 3855U
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