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Differences What are the advantages of each

Front view of Intel Pentium III 600B

Reasons to consider the
Intel Pentium III 600B

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Celeron 900

Reasons to consider the
Intel Celeron 900

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Much newer manufacturing process 45 nm vs 250 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.2 GHz vs 0.6 GHz Around 3.8x 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
More l2 cache 1 MB vs 0.5 MB 2x 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
Newer Jan, 2009 vs Sep, 1999 Release date over 9 years later
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 105 °C vs 85 °C Around 25% higher Maximum operating temperature

Features Key features of the Pentium III 600B  vs Celeron 900 

clock speed

Celeron 900
2.2 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium III 600B  vs
Celeron 900 
Clock speed 0.6 GHz 2.2 GHz
Cores Single core Single core

features

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

power consumption

TDP 34.5W 35W
Annual home energy cost 8.31 $/year 8.43 $/year
Annual commercial energy cost 30.22 $/year 30.66 $/year
Typical power consumption 28.03W 28.44W

details

Pentium III 600B  vs
Celeron 900 
Architecture x86 x86-64
Threads 1 1
L2 cache 0.5 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 250 nm 45 nm
Max CPUs 2 1
Operating temperature Unknown - 85°C Unknown - 105°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 133 MHz 800 MHz
Intel Pentium III 600B
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Intel Celeron 900
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