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Differences What are the advantages of each

Front view of Intel Pentium D 805

Reasons to consider the
Intel Pentium D 805

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Significantly higher clock speed 2.66 GHz vs 1.73 GHz Around 55% higher clock speed
Much lower typical power consumption 77.19W vs 150.31W Around 50% lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 22.89 $/year vs 44.57 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 83.22 $/year vs 162.06 $/year Around 50% lower annual commercial energy cost
Front view of Intel Itanium 9350

Reasons to consider the
Intel Itanium 9350

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much newer manufacturing process 65 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 virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
More threads 8 vs 2 6 more threads
Newer Feb, 2010 vs Jan, 2005 Release date over 5 years later
More cores 4 vs 2 Twice as many cores; run more applications at once

Features Key features of the Pentium D 805  vs Itanium 9350 

clock speed

Pentium D 805
2.66 GHz
Itanium 9350
1.73 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium D 805  vs
Itanium 9350 
Clock speed 2.66 GHz 1.73 GHz
Cores Dual core Quad core
Socket type
LGA 775
LGA 1248

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Supports dynamic frequency scaling No 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 FSB QPI
Number of links 1 1
Clock speed 533 MHz 2,400 MHz

details

Pentium D 805  vs
Itanium 9350 
Architecture x86-64 x86-64
Threads 2 8
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 65 nm
Max CPUs 1 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 Pentium D 805
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Intel Itanium 9350
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