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Differences What are the advantages of each

Front view of Intel Celeron U3400

Reasons to consider the
Intel Celeron U3400

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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CPUBoss is not aware of any important advantages of the Atom N450 vs the Celeron U3400.

Benchmarks Real world tests of Celeron U3400 vs Atom N450

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Atom N450
1,014

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron U3400  vs
Atom N450 
Clock speed 1.06 GHz 1.66 GHz
Cores Dual core Single core

features

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

power consumption

TDP 18W 5.5W
Annual home energy cost 4.34 $/year 1.32 $/year
Performance per watt 2.14 pt/W 4.63 pt/W
Typical power consumption 14.63W 4.47W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s

details

Celeron U3400  vs
Atom N450 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Transistor count 382,000,000 123,000,000
Max CPUs 1 1
Clock multiplier 8 10

overclocking

Overclocked clock speed 1.07 GHz 1.9 GHz
Overclocked clock speed (Water) 1.07 GHz 1.67 GHz
Overclocked clock speed (Air) 1.07 GHz 1.9 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Integrated

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-800
DDR3
DDR2-667
DDR2
Channels Dual Channel Single Channel
Maximum bandwidth 12,800 MB/s 5,333.33 MB/s
Maximum memory size 8,192 MB 2,048 MB
Intel Celeron U3400
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Intel Atom N450
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