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Differences What are the advantages of each

Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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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
Front view of Intel Atom E3815

Reasons to consider the
Intel Atom E3815

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Benchmarks Real world tests of Atom N450 vs E3815

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

Atom N450
25,700 MB/s
Atom E3815
236.8 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom N450  vs
E3815 
Clock speed 1.66 GHz 1.46 GHz
Cores Single core Single core

features

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

power consumption

TDP 5.5W 5W
Annual home energy cost 1.32 $/year 1.2 $/year
Performance per watt 4.63 pt/W 4.58 pt/W
Typical power consumption 4.47W 4.06W

bus

Architecture DMI FSB
Number of links 1 1

details

Atom N450  vs
E3815 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.9 GHz 1.47 GHz
Overclocked clock speed (Water) 1.67 GHz 1.47 GHz
Overclocked clock speed (Air) 1.9 GHz 1.47 GHz

integrated graphics

GPU GPU GPU
Label Integrated HD

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1066
DDR2-667
DDR2
Channels Single Channel Single Channel
Maximum bandwidth 5,333.33 MB/s 6,400 MB/s
Maximum memory size 2,048 MB 8,192 MB
Intel Atom N450
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Intel Atom E3815
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