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Differences What are the advantages of each

Front view of Intel Celeron D 330

Reasons to consider the
Intel Celeron D 330

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Significantly higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Much better overclocked clock speed (Air) 3.53 GHz vs 1.87 GHz Around 90% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.9 GHz vs 1.6 GHz Around 2.5x better overclocked clock speed (Water)
Front view of Intel Atom N270

Reasons to consider the
Intel Atom N270

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 2.03W vs 59.31W 29.2x lower typical power consumption
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
More l2 cache 0.5 MB vs 0.25 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Newer Jun, 2008 vs Jun, 2004 Release date over 4 years later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 0.6 $/year vs 17.59 $/year 29.2x lower annual home energy cost
Much lower annual commercial energy cost 2.19 $/year vs 63.95 $/year 29.2x lower annual commercial energy cost

Features Key features of the Celeron D 330  vs Atom N270 

clock speed

Celeron D 330
2.66 GHz
Atom N270
1.6 GHz

L2 cache

Celeron D 330
0.25 MB
Atom N270
0.5 MB

overclocked clock speed (air)

Celeron D 330
3.53 GHz
Atom N270
1.87 GHz

overclocked clock speed (water)

Celeron D 330
3.9 GHz
Atom N270
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Celeron D 330  vs
Atom N270 
Clock speed 2.66 GHz 1.6 GHz
Cores Single core Single core
Socket type
478
437

features

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

power consumption

TDP 73W 2.5W
Annual home energy cost 17.59 $/year 0.6 $/year
Annual commercial energy cost 63.95 $/year 2.19 $/year
Typical power consumption 59.31W 2.03W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 533 MHz 533 MHz

details

Celeron D 330  vs
Atom N270 
Architecture x86 x86
Threads 1 2
L2 cache 0.25 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 90 nm 45 nm
Transistor count 125,000,000 47,000,000
Max CPUs 1 1
Clock multiplier 20 12
Voltage range 1.25 - 1.4V 0.9 - 1.16V

overclocking

Overclocked clock speed 3.53 GHz 1.87 GHz
Overclocked clock speed (Water) 3.9 GHz 1.6 GHz
PassMark (Overclocked) 515.5 207.6
Overclocked clock speed (Air) 3.53 GHz 1.87 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Celeron D 330
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Intel Atom N270
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