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Differences What are the advantages of each

Front view of Intel Itanium 9015

Reasons to consider the
Intel Itanium 9015

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Much more l2 cache 12 MB vs 3 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 6 MB/core vs 1.5 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More threads 4 vs 2 Twice as many threads
Front view of Intel Core2 Duo P8800

Reasons to consider the
Intel Core2 Duo P8800

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 2.66 GHz vs 1.4 GHz More than 90% higher clock speed
Much lower typical power consumption 20.31W vs 84.5W 4.2x lower typical power consumption
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
Newer Jun, 2009 vs Jul, 2006 Release date over 2 years later
Much lower annual home energy cost 6.02 $/year vs 25.05 $/year 4.2x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 91.1 $/year 4.2x lower annual commercial energy cost

Features Key features of the Itanium 9015  vs Core2 Duo P8800 

clock speed

Itanium 9015
1.4 GHz
Core2 Duo P8800
2.66 GHz

L2 cache

Specifications Full list of technical specs

summary

Itanium 9015  vs
Core2 Duo P8800 
Clock speed 1.4 GHz 2.66 GHz
Cores Dual core Dual core

features

Has a NX bit No Yes
Supports trusted computing No Yes
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

details

Itanium 9015  vs
Core2 Duo P8800 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 3 MB
L2 cache per core 6 MB/core 1.5 MB/core
Manufacture process 90 nm 45 nm
Transistor count 1,720,000,000 410,000,000
Max CPUs 4 1
Clock multiplier 14 10
Voltage range 1.09 - 1.25V 1 - 1.25V

power consumption

TDP 104W 25W
Annual home energy cost 25.05 $/year 6.02 $/year
Annual commercial energy cost 91.1 $/year 21.9 $/year
Typical power consumption 84.5W 20.31W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 533 MHz 1,066 MHz
Intel Itanium 9015
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Intel Core2 Duo P8800
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