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Differences What are the advantages of each

Front view of Intel Xeon E5-2650

Reasons to consider the
Intel Xeon E5-2650

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Much higher turbo clock speed 2.8 GHz vs 1.73 GHz More than 60% higher turbo clock speed
Much higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Much lower typical power consumption 77.19W vs 150.31W Around 50% lower typical power consumption
Significantly newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual commercial energy cost 83.22 $/year vs 162.06 $/year Around 50% lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 44.57 $/year Around 50% lower annual home energy cost
Newer Mar, 2012 vs Feb, 2010 Release date over 2 years later
Front view of Intel Itanium 9340

Reasons to consider the
Intel Itanium 9340

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Much more l3 cache per core 5 MB/core vs 2.5 MB/core 2x more l3 cache per core
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Features Key features of the Xeon E5-2650  vs Itanium 9340 

clock speed

Xeon E5-2650
2 GHz
Itanium 9340
1.6 GHz

turbo clock speed

Xeon E5-2650
2.8 GHz
Itanium 9340
1.73 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon E5-2650  vs
Itanium 9340 
Clock speed 2 GHz 1.6 GHz
Turbo clock speed 2.8 GHz 1.73 GHz
Cores Octa core Quad core
Socket type
LGA 2011
LGA 1248

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 185W
Annual home energy cost 22.89 $/year 44.57 $/year
Annual commercial energy cost 83.22 $/year 162.06 $/year
Typical power consumption 77.19W 150.31W

bus

Architecture QPI QPI
Number of links 2 1
Data rate 64,000 MB/s 19,200 MB/s
Transfer rate 8,000 MT/s 4,800 MT/s
Clock speed 4,000 MHz 2,400 MHz

details

Xeon E5-2650  vs
Itanium 9340 
Architecture x86-64 x86-64
Threads 16 8
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 20 MB 20 MB
L3 cache per core 2.5 MB/core 5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 2 8

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
Intel Xeon E5-2650
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Intel Itanium 9340
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