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Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Much higher clock speed 2.6 GHz vs 1.6 GHz Around 65% higher clock speed
More cores 8 vs 2 6 more cores; run more applications at once
More threads 16 vs 4 12 more threads
Much newer manufacturing process 32 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
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much higher Maximum operating temperature 80 °C vs 76 °C More than 5% higher Maximum operating temperature
Newer Mar, 2012 vs Oct, 2007 Release date over 4 years later
Front view of Intel Itanium 9150N

Reasons to consider the
Intel Itanium 9150N

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Much more l3 cache per core 12 MB/core vs 2.5 MB/core More than 4.8x more l3 cache per core
Much more l3 cache 24 MB vs 20 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Lower typical power consumption 84.5W vs 93.44W Around 10% lower typical power consumption
Lower annual commercial energy cost 91.1 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 25.05 $/year vs 27.7 $/year Around 10% lower annual home energy cost

Features Key features of the Xeon E5-2670  vs Itanium 9150N 

clock speed

Xeon E5-2670
2.6 GHz
Itanium 9150N
1.6 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
Itanium 9150N 
Clock speed 2.6 GHz 1.6 GHz
Cores Octa core Dual core

features

Has a NX bit Yes No
Supports trusted computing Yes No
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

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

details

Xeon E5-2670  vs
Itanium 9150N 
Architecture x86-64 x86-64
Threads 16 4
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 20 MB 24 MB
L3 cache per core 2.5 MB/core 12 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 2 4
Operating temperature Unknown - 80°C Unknown - 76°C

power consumption

TDP 115W 104W
Annual home energy cost 27.7 $/year 25.05 $/year
Annual commercial energy cost 100.74 $/year 91.1 $/year
Typical power consumption 93.44W 84.5W

bus

Architecture QPI FSB
Number of links 2 1
Clock speed 4,000 MHz 533 MHz
Intel Xeon E5-2670
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Intel Itanium 9150N
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