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Differences What are the advantages of each

Front view of Intel Xeon X5570

Reasons to consider the
Intel Xeon X5570

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Much higher clock speed 2.93 GHz vs 2.13 GHz Around 40% higher clock speed
Much lower typical power consumption 77.19W vs 138.13W Around 45% lower typical power consumption
Much lower annual commercial energy cost 83.22 $/year vs 148.92 $/year Around 45% lower annual commercial energy cost
Much lower annual home energy cost 22.89 $/year vs 40.95 $/year Around 45% lower annual home energy cost
Front view of Intel Itanium 9540

Reasons to consider the
Intel Itanium 9540

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Much more l3 cache 24 MB vs 8 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Nov, 2012 vs Mar, 2009 Release date over 3 years later

Features Key features of the Xeon X5570  vs Itanium 9540 

clock speed

Xeon X5570
2.93 GHz
Itanium 9540
2.13 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon X5570  vs
Itanium 9540 
Clock speed 2.93 GHz 2.13 GHz
Cores Quad core Octa core
Socket type
LGA 1366
LGA 1248

features

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

power consumption

TDP 95W 170W
Annual home energy cost 22.89 $/year 40.95 $/year
Annual commercial energy cost 83.22 $/year 148.92 $/year
Typical power consumption 77.19W 138.13W

memory controller

Memory controller Built-in Built-in
Supports ECC Yes Yes

details

Xeon X5570  vs
Itanium 9540 
Threads 8 16
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 24 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 45 nm 32 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

bus

Architecture QPI QPI
Number of links 2 1
Data rate 51,200 MB/s 25,600 MB/s
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz
Intel Xeon X5570
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Intel Itanium 9540
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