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Differences What are the advantages of each

Front view of Intel Xeon E7-8850

Reasons to consider the
Intel Xeon E7-8850

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Much higher clock speed 2 GHz vs 1.6 GHz Around 25% higher clock speed
More cores 10 vs 2 8 more cores; run more applications at once
More threads 20 vs 4 16 more threads
Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
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
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Newer Apr, 2011 vs Jul, 2006 Release date over 4 years later
Front view of Intel Itanium 9050

Reasons to consider the
Intel Itanium 9050

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Much more l2 cache 24 MB vs 3 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 12 MB/core vs 0.3 MB/core 40x more l2 cache per core
Much more l3 cache per core 12 MB/core vs 2.4 MB/core 5x more l3 cache per core
Significantly lower typical power consumption 84.5W vs 105.63W 20% lower typical power consumption
Significantly lower annual commercial energy cost 91.1 $/year vs 113.88 $/year 20% lower annual commercial energy cost
Significantly lower annual home energy cost 25.05 $/year vs 31.32 $/year 20% lower annual home energy cost

Features Key features of the Xeon E7-8850  vs Itanium 9050 

clock speed

Xeon E7-8850
2 GHz
Itanium 9050
1.6 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon E7-8850  vs
Itanium 9050 
Clock speed 2 GHz 1.6 GHz
Cores Deca 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 No

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 QPI FSB
Number of links 1 1
Clock speed 3,200 MHz 533 MHz

details

Xeon E7-8850  vs
Itanium 9050 
Architecture x86-64 x86-64
Threads 20 4
L2 cache 3 MB 24 MB
L2 cache per core 0.3 MB/core 12 MB/core
L3 cache 24 MB 24 MB
L3 cache per core 2.4 MB/core 12 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 8 4
Clock multiplier 15 12
Operating temperature Unknown - 69°C Unknown - 76°C

power consumption

TDP 130W 104W
Annual home energy cost 31.32 $/year 25.05 $/year
Annual commercial energy cost 113.88 $/year 91.1 $/year
Typical power consumption 105.63W 84.5W

memory controller

Memory controller Built-in Built-in
Supports ECC Yes No
Intel Xeon E7-8850
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Intel Itanium 9050
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