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Differences What are the advantages of each

Front view of Intel Xeon EC5549

Reasons to consider the
Intel Xeon EC5549

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Much newer manufacturing process 45 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.53 GHz vs 1 GHz More than 2.5x higher clock speed
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
Newer Feb, 2010 vs Mar, 2000 Release date over 10 years later
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Front view of Intel Pentium III 1BGHz

Reasons to consider the
Intel Pentium III 1BGHz

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CPUBoss is not aware of any important advantages of the Pentium III 1BGHz vs the Xeon EC5549.

Features Key features of the Xeon EC5549  vs Pentium III 1BGHz 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Xeon EC5549  vs
Pentium III 1BGHz 
Clock speed 2.53 GHz 1 GHz
Cores Quad core Single core
Socket type
LGA 1366
370

features

Has a NX bit Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3

details

Xeon EC5549  vs
Pentium III 1BGHz 
Threads 8 1
L2 cache 1 MB 0.25 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
Manufacture process 45 nm 180 nm
Max CPUs 2 2

power consumption

Typical power consumption 69.06W N/A

bus

Clock speed 2,935 MHz 133 MHz
Intel Xeon EC5549
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Intel Pentium III 1BGHz
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