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Differences What are the advantages of each

Front view of Intel Itanium 9050

Reasons to consider the
Intel Itanium 9050

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Much more l2 cache 24 MB vs 1 MB 24x 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 0.25 MB/core 48x more l2 cache per core
Much more l3 cache per core 12 MB/core vs 2.5 MB/core More than 4.8x more l3 cache per core
Significantly more l3 cache 24 MB vs 10 MB Around 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
Much lower typical power consumption 84.5W vs 139.6W Around 40% lower typical power consumption
Much lower annual home energy cost 25.05 $/year vs 49.49 $/year Around 50% lower annual home energy cost
Higher Maximum operating temperature 76 °C vs 66.8 °C Around 15% higher Maximum operating temperature
Much lower annual commercial energy cost 91.1 $/year vs 138.93 $/year Around 35% lower annual commercial energy cost
Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.6 GHz vs 1.6 GHz 2.2x higher clock speed
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
Newer Feb, 2012 vs Jul, 2006 Release date over 5 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads

Features Key features of the Itanium 9050  vs Core i7 3820 

clock speed

Itanium 9050
1.6 GHz
Core i7 3820
3.6 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Itanium 9050  vs
Core i7 3820 
Clock speed 1.6 GHz 3.6 GHz
Cores Dual core Quad core

features

Has a NX bit No Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Supports dynamic frequency scaling No Yes

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

memory controller

Memory controller Built-in Built-in
Supports ECC No No

details

Itanium 9050  vs
Core i7 3820 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 24 MB 1 MB
L2 cache per core 12 MB/core 0.25 MB/core
L3 cache 24 MB 10 MB
L3 cache per core 12 MB/core 2.5 MB/core
Manufacture process 90 nm 32 nm
Transistor count 1,720,000,000 1,270,000,000
Max CPUs 4 1
Clock multiplier 12 36
Voltage range 1.09 - 1.25V 0.6 - 1.35V
Operating temperature Unknown - 76°C Unknown - 66.8°C

power consumption

TDP 104W 130W
Annual home energy cost 25.05 $/year 49.49 $/year
Annual commercial energy cost 91.1 $/year 138.93 $/year
Typical power consumption 84.5W 139.6W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Itanium 9050
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Intel Core i7 3820
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