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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

Report a correction

CPUBoss is not aware of any important advantages of the 550 vs the 420.

Front view of Intel Celeron M 420

Reasons to consider the
Intel Celeron M 420

Report a correction

CPUBoss is not aware of any important advantages of the 420 vs the 550.

Features Key features of the Celeron M 550  vs 420 

clock speed

Celeron M 550
0.55 GHz
Celeron M 420
1.6 GHz

L2 cache

overclocked clock speed (air)

Celeron M 550
2.27 GHz
Celeron M 420
2.02 GHz

overclocked clock speed (water)

Celeron M 420
3.38 GHz

Specifications Full list of technical specs

summary

Celeron M 550  vs
420 
Clock speed 0.55 GHz 1.6 GHz
Cores Single core Single core
Socket type
479
495
LGA 775
478

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
Typical power consumption 3.25W 28.44W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 100 MHz 800 MHz

details

Celeron M 550  vs
420 
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 2.02 GHz
Overclocked clock speed (Water) 2 GHz 3.38 GHz
Overclocked clock speed (Air) 2.27 GHz 2.02 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 M 550
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Intel Celeron M 420
Report a correction

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