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Differences What are the advantages of each

Front view of Intel Xeon E5-2603 v3

Reasons to consider the
Intel Xeon E5-2603 v3

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More cores 6 vs 2 Three times as many cores; run more applications at once
Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
More threads 6 vs 4 2 more threads
Lower typical power consumption 69.06W vs 84.5W Around 20% lower typical power consumption
Lower annual commercial energy cost 74.46 $/year vs 91.1 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 20.48 $/year vs 25.05 $/year Around 20% lower annual home energy cost
Front view of Intel Itanium 2 9152

Reasons to consider the
Intel Itanium 2 9152

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Much more l3 cache 24 MB vs 15 MB 60% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 12 MB/core vs 2.5 MB/core More than 4.8x more l3 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration

Features Key features of the Xeon E5-2603 v3  vs Itanium 2 9152 

clock speed

L3 cache

Specifications Full list of technical specs

summary

Xeon E5-2603 v3  vs
Itanium 2 9152 
Clock speed 1.6 GHz 1.6 GHz
Cores Hexa core Dual core

features

Has a NX bit Yes No
Has virtualization support Yes Yes

bus

Clock speed 3,200 MHz 667 MHz

details

Xeon E5-2603 v3  vs
Itanium 2 9152 
Threads 6 4
L3 cache 15 MB 24 MB
L3 cache per core 2.5 MB/core 12 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 2 4

power consumption

TDP 85W 104W
Annual home energy cost 20.48 $/year 25.05 $/year
Annual commercial energy cost 74.46 $/year 91.1 $/year
Typical power consumption 69.06W 84.5W
Intel Xeon E5-2603 v3
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Intel Itanium 2 9152
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