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Differences What are the advantages of each

Front view of Intel J3455

Reasons to consider the
Intel J3455

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Much newer manufacturing process 14 nm vs 40 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 1.5 GHz vs 1 GHz 50% higher clock speed
Much better performance per watt 8.3 pt/W vs 2.34 pt/W More than 3.5x better performance per watt
Newer Jul, 2016 vs Jan, 2011 Release date over 5 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
Better overclocked clock speed (Air) 1.5 GHz vs 1 GHz 50% better overclocked clock speed (Air)
Better PassMark score 2,153 vs 516 Around 4.2x better PassMark score
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Water) 1.5 GHz vs 1 GHz 50% better overclocked clock speed (Water)
Front view of AMD G G-T40N

Reasons to consider the
AMD G G-T40N

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Slightly higher GPU clock speed 280 MHz vs 250 MHz More than 10% higher GPU clock speed

Benchmarks Real world tests of J3455 vs G G-T40N

PassMark Data courtesy Passmark

J3455
2,153
G G-T40N
516

Specifications Full list of technical specs

summary

J3455  vs
G G-T40N 
Clock speed 1.5 GHz 1 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 10W 9W
Annual home energy cost 2.41 $/year 2.17 $/year
Annual commercial energy cost 8.76 $/year 7.88 $/year
Performance per watt 8.3 pt/W 2.34 pt/W
Typical power consumption 8.13W 7.31W

details

J3455  vs
G G-T40N 
Threads 4 2
Manufacture process 14 nm 40 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.5 GHz 1 GHz
Overclocked clock speed (Water) 1.5 GHz 1 GHz
Overclocked clock speed (Air) 1.5 GHz 1 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 500 AMD Radeon HD 6250HD 6290
GPU clock speed 250 MHz 280 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
Channels Dual Channel Single Channel
Maximum bandwidth 12,800 MB/s 8,533.33 MB/s
Intel J3455
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AMD G G-T40N
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