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Differences What are the advantages of each

Front view of Intel Celeron M 550

Reasons to consider the
Intel Celeron M 550

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Significantly lower typical power consumption 3.25W vs 28.44W 8.7x lower typical power consumption
Significantly lower annual home energy cost 0.96 $/year vs 8.43 $/year 8.8x lower annual home energy cost
Significantly lower annual commercial energy cost 3.5 $/year vs 30.66 $/year 8.7x lower annual commercial energy cost
Front view of Intel Celeron M 450

Reasons to consider the
Intel Celeron M 450

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Much newer manufacturing process 65 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.2 GHz vs 0.55 GHz 4x higher clock speed
Significantly more l2 cache 1 MB vs 0.13 MB Around 7.8x more l2 cache; more data can be stored in the l2 cache for quick access later
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much more l2 cache per core 1 MB/core vs 0.13 MB/core Around 7.8x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.57 GHz vs 2.27 GHz More than 55% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.12 GHz vs 2 GHz More than 55% better overclocked clock speed (Water)
Newer Aug, 2008 vs Sep, 2007 Release date a year later

Features Key features of the Celeron M 550  vs 450 

clock speed

Celeron M 550
0.55 GHz
Celeron M 450
2.2 GHz

L2 cache

overclocked clock speed (air)

Celeron M 550
2.27 GHz
Celeron M 450
3.57 GHz

overclocked clock speed (water)

Celeron M 450
3.12 GHz

Specifications Full list of technical specs

summary

Celeron M 550  vs
450 
Clock speed 0.55 GHz 2.2 GHz
Cores Single core Single core
Socket type
M
495
478
479
LGA 775
Slot 1

features

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

power consumption

TDP 4W 35W
Annual home energy cost 0.96 $/year 8.43 $/year
Annual commercial energy cost 3.5 $/year 30.66 $/year
Typical power consumption 3.25W 28.44W

details

Celeron M 550  vs
450 
Architecture x86 x86-64
Threads 1 1
L2 cache 0.13 MB 1 MB
L2 cache per core 0.13 MB/core 1 MB/core
Manufacture process 180 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.27 GHz 3.57 GHz
Overclocked clock speed (Water) 2 GHz 3.12 GHz
Overclocked clock speed (Air) 2.27 GHz 3.57 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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 100 MHz 800 MHz
Intel Celeron M 550
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Intel Celeron M 450
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