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Differences What are the advantages of each

Front view of Intel Celeron M 330

Reasons to consider the
Intel Celeron M 330

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CPUBoss is not aware of any important advantages of the Celeron M 330 vs the Atom N455.

Front view of Intel Atom N455

Reasons to consider the
Intel Atom N455

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Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Higher clock speed 1.66 GHz vs 1.4 GHz Around 20% higher clock speed
Lower typical power consumption 5.28W vs 19.91W 3.8x lower typical power consumption
Newer Jun, 2010 vs Jun, 2004 Release date over 6 years later
Lower annual home energy cost 1.57 $/year vs 5.9 $/year 3.8x lower annual home energy cost
Lower annual commercial energy cost 5.69 $/year vs 21.46 $/year 3.8x lower annual commercial energy cost
Better overclocked clock speed (Water) 1.67 GHz vs 1.4 GHz Around 20% better overclocked clock speed (Water)

Features Key features of the Celeron M 330  vs Atom N455 

clock speed

Celeron M 330
1.4 GHz
Atom N455
1.66 GHz

L2 cache

Celeron M 330
0.5 MB
Atom N455
0.5 MB

overclocked clock speed (air)

Celeron M 330
1.9 GHz
Atom N455
1.88 GHz

overclocked clock speed (water)

Celeron M 330
1.4 GHz
Atom N455
1.67 GHz

TDP

Specifications Full list of technical specs

summary

Celeron M 330  vs
Atom N455 
Clock speed 1.4 GHz 1.66 GHz
Cores Single core Single core

features

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

power consumption

TDP 24.5W 6.5W
Annual home energy cost 5.9 $/year 1.57 $/year
Annual commercial energy cost 21.46 $/year 5.69 $/year
Typical power consumption 19.91W 5.28W

bus

Architecture FSB DMI
Number of links 1 1

details

Celeron M 330  vs
Atom N455 
Architecture x86 x86-64
Threads 1 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 130 nm 45 nm
Transistor count 77,000,000 123,000,000
Max CPUs 1 1
Clock multiplier 14 10

overclocking

Overclocked clock speed 1.9 GHz 1.88 GHz
Overclocked clock speed (Water) 1.4 GHz 1.67 GHz
Overclocked clock speed (Air) 1.9 GHz 1.88 GHz

integrated graphics

GPU None GPU
Label N/A Integrated
GPU clock speed N/A 200 MHz

memory controller

Memory controller Built-in Built-in
Intel Celeron M 330
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Intel Atom N455
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