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Differences What are the advantages of each

Front view of Intel Xeon E5-2680

Reasons to consider the
Intel Xeon E5-2680

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Much higher clock speed 2.7 GHz vs 1.6 GHz Around 70% 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
Front view of Intel Itanium 2 9052

Reasons to consider the
Intel Itanium 2 9052

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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
Significantly lower typical power consumption 84.5W vs 105.63W 20% lower typical power consumption
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
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 E5-2680  vs Itanium 2 9052 

clock speed

Xeon E5-2680
2.7 GHz
Itanium 2 9052
1.6 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E5-2680  vs
Itanium 2 9052 
Clock speed 2.7 GHz 1.6 GHz
Cores Octa core Dual core

features

Has a NX bit Yes No
Has virtualization support Yes Yes

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

details

Xeon E5-2680  vs
Itanium 2 9052 
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

bus

Clock speed 4,000 MHz 533 MHz
Intel Xeon E5-2680
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Intel Itanium 2 9052
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