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Differences What are the advantages of each

Front view of Intel Xeon E7-4809 v3

Reasons to consider the
Intel Xeon E7-4809 v3

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Lower typical power consumption 93.44W vs 109.69W Around 15% lower typical power consumption
Lower annual home energy cost 27.7 $/year vs 32.52 $/year Around 15% lower annual home energy cost
Lower annual commercial energy cost 100.74 $/year vs 118.26 $/year Around 15% lower annual commercial energy cost
Front view of Intel E5-4655V4

Reasons to consider the
Intel E5-4655V4

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Higher clock speed 2.5 GHz vs 2 GHz 25% higher clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2016 vs Apr, 2015 Release date a year later

Features Key features of the Xeon E7-4809 v3  vs E5-4655V4 

clock speed

E5-4655V4
2.5 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E7-4809 v3  vs
E5-4655V4 
Clock speed 2 GHz 2.5 GHz
Cores Octa core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 1,572,864 MB 1,572,864 MB

details

Xeon E7-4809 v3  vs
E5-4655V4 
Architecture x86-64 x86-64
Threads 16 16
Manufacture process 22 nm 14 nm
Max CPUs 4 4

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

power consumption

TDP 115W 135W
Annual home energy cost 27.7 $/year 32.52 $/year
Annual commercial energy cost 100.74 $/year 118.26 $/year
Typical power consumption 93.44W 109.69W

bus

Architecture QPI FSB
Number of links 3 2
Transfer rate 6,400 MT/s 9,600 MT/s
Intel Xeon E7-4809 v3
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Intel E5-4655V4
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