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Differences What are the advantages of each

Front view of Intel G3902E

Reasons to consider the
Intel G3902E

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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
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better turbo clock speed 950 MHz vs 792 MHz Around 20% better turbo clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jan, 2016 vs Oct, 2013 Release date over 2 years later
Front view of Intel Atom E3845

Reasons to consider the
Intel Atom E3845

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Higher clock speed 1.91 GHz vs 1.6 GHz Around 20% higher clock speed
Significantly higher GPU clock speed 542 MHz vs 350 MHz Around 55% higher GPU clock speed
Lower typical power consumption 8.13W vs 20.31W 2.5x lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Air) 1.92 GHz vs 1.6 GHz Around 20% better overclocked clock speed (Air)
Lower annual home energy cost 2.41 $/year vs 6.02 $/year 2.5x lower annual home energy cost
Lower annual commercial energy cost 8.76 $/year vs 21.9 $/year 2.5x lower annual commercial energy cost
Better overclocked clock speed (Water) 1.91 GHz vs 1.6 GHz Around 20% better overclocked clock speed (Water)

Features Key features of the G3902E  vs Atom E3845 

clock speed

G3902E
1.6 GHz
Atom E3845
1.91 GHz

gpu clock speed

G3902E
350 MHz
Atom E3845
542 MHz

overclocked clock speed (air)

G3902E
1.6 GHz
Atom E3845
1.92 GHz

overclocked clock speed (water)

G3902E
1.6 GHz
Atom E3845
1.91 GHz

TDP

G3902E
25W

Specifications Full list of technical specs

summary

G3902E  vs
Atom E3845 
Clock speed 1.6 GHz 1.91 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 25W 10W
Annual home energy cost 6.02 $/year 2.41 $/year
Annual commercial energy cost 21.9 $/year 8.76 $/year
Typical power consumption 20.31W 8.13W

bus

Architecture FSB FSB
Number of links 1 1

details

G3902E  vs
Atom E3845 
Architecture x86-64 x86-64
Threads 2 4
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.6 GHz 1.92 GHz
Overclocked clock speed (Water) 1.6 GHz 1.91 GHz
Overclocked clock speed (Air) 1.6 GHz 1.92 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 510 HD
Number of displays supported 3 2
GPU clock speed 350 MHz 542 MHz
Turbo clock speed 950 MHz 792 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 65,536 MB 8,192 MB
Intel G3902E
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Intel Atom E3845
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