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Differences What are the advantages of each

Front view of Intel Pentium III 550E

Reasons to consider the
Intel Pentium III 550E

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 11.78W vs 28.44W 2.4x lower typical power consumption
Significantly higher Maximum operating temperature 82 °C vs 60.4 °C More than 35% higher Maximum operating temperature
Lower annual home energy cost 3.49 $/year vs 8.43 $/year 2.4x lower annual home energy cost
Lower annual commercial energy cost 12.7 $/year vs 30.66 $/year 2.4x lower annual commercial energy cost
Front view of Intel Celeron M 430

Reasons to consider the
Intel Celeron M 430

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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 1.8 GHz vs 0.55 GHz More than 3.2x higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Significantly more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Newer Apr, 2007 vs Oct, 1999 Release date over 7 years later

Features Key features of the Pentium III 550E  vs Celeron M 430 

clock speed

Pentium III 550E
0.55 GHz
Celeron M 430
1.8 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium III 550E  vs
Celeron M 430 
Clock speed 0.55 GHz 1.8 GHz
Cores Single core Single core
Socket type
370
LGA 775
478

features

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

power consumption

TDP 14.5W 35W
Annual home energy cost 3.49 $/year 8.43 $/year
Annual commercial energy cost 12.7 $/year 30.66 $/year
Typical power consumption 11.78W 28.44W

details

Pentium III 550E  vs
Celeron M 430 
Architecture x86 x86-64
Threads 1 1
L2 cache 0.25 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 180 nm 65 nm
Max CPUs 2 1
Clock multiplier 5 9
Operating temperature Unknown - 82°C Unknown - 60.4°C

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 Pentium III 550E
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Intel Celeron M 430
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