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Differences What are the advantages of each

Front view of Intel E7-4809V4

Reasons to consider the
Intel E7-4809V4

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Supports more RAM 3,145,728 MB vs 1,572,864 MB Supports 2x more RAM
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 2.1 GHz Around 20% higher clock speed
Better overclocked clock speed (Air) 2.5 GHz vs 2 GHz 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.5 GHz vs 2 GHz 25% better overclocked clock speed (Water)

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

clock speed

E7-4809V4
2.1 GHz
E5-4655V4
2.5 GHz

overclocked clock speed (air)

E7-4809V4
2 GHz
E5-4655V4
2.5 GHz

overclocked clock speed (water)

E7-4809V4
2 GHz
E5-4655V4
2.5 GHz

TDP

E7-4809V4
115W
E5-4655V4
135W

Specifications Full list of technical specs

summary

E7-4809V4  vs
E5-4655V4 
Clock speed 2.1 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 2.0
AVX
Supports dynamic frequency scaling Yes Yes

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 FSB FSB
Number of links 3 2
Transfer rate 6,400 MT/s 9,600 MT/s

details

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

overclocking

Overclocked clock speed 2 GHz 2.5 GHz
Overclocked clock speed (Water) 2 GHz 2.5 GHz
Overclocked clock speed (Air) 2 GHz 2.5 GHz

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
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 3,145,728 MB 1,572,864 MB
Intel E7-4809V4
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Intel E5-4655V4
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