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Differences What are the advantages of each

Front view of Intel Itanium 9520

Reasons to consider the
Intel Itanium 9520

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly more l3 cache 20 MB vs 8 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 5 MB/core vs 2 MB/core 2.5x more l3 cache per core
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Front view of Intel Core i7 4790

Reasons to consider the
Intel Core i7 4790

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Much higher clock speed 3.6 GHz vs 1.73 GHz More than 2x higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 68.25W vs 105.63W More than 35% lower typical power consumption
Much lower annual home energy cost 20.24 $/year vs 31.32 $/year More than 35% lower annual home energy cost
Much lower annual commercial energy cost 73.58 $/year vs 113.88 $/year More than 35% lower annual commercial energy cost
Newer May, 2014 vs Nov, 2012 Release date over 1 years later

Features Key features of the Itanium 9520  vs Core i7 4790 

clock speed

Itanium 9520
1.73 GHz
Core i7 4790
3.6 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Itanium 9520  vs
Core i7 4790 
Clock speed 1.73 GHz 3.6 GHz
Cores Quad core Quad core
Socket type
LGA 1248
LGA 1150

features

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

power consumption

TDP 130W 84W
Annual home energy cost 31.32 $/year 20.24 $/year
Annual commercial energy cost 113.88 $/year 73.58 $/year
Typical power consumption 105.63W 68.25W

bus

Architecture QPI DMI 2.0
Number of links 1 0
Transfer rate 6,400 MT/s 5,000 MT/s

details

Itanium 9520  vs
Core i7 4790 
Threads 8 8
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 20 MB 8 MB
L3 cache per core 5 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 8 1

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,200 MHz

memory controller

Memory controller Built-in Built-in
Supports ECC Yes No
Intel Itanium 9520
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Intel Core i7 4790
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