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Differences What are the advantages of each

Front view of Intel E7-4850V4

Reasons to consider the
Intel E7-4850V4

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Supports more RAM 3,145,728 MB vs 1,572,864 MB Supports 2x more RAM
Slightly lower typical power consumption 93.44W vs 97.5W Around 5% lower typical power consumption
Slightly lower annual home energy cost 27.7 $/year vs 28.91 $/year Around 5% lower annual home energy cost
Slightly lower annual commercial energy cost 100.74 $/year vs 105.12 $/year Around 5% lower annual commercial energy cost
Front view of Intel E5-4660V4

Reasons to consider the
Intel E5-4660V4

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Slightly higher turbo clock speed 3 GHz vs 2.8 GHz More than 5% higher turbo clock speed

Features Key features of the E7-4850V4  vs E5-4660V4 

clock speed

E7-4850V4
2.1 GHz
E5-4660V4
2.2 GHz

turbo clock speed

E7-4850V4
2.8 GHz
E5-4660V4
3 GHz

overclocked clock speed (air)

E7-4850V4
2.1 GHz
E5-4660V4
2.2 GHz

overclocked clock speed (water)

E7-4850V4
2.1 GHz
E5-4660V4
2.2 GHz

TDP

E7-4850V4
115W
E5-4660V4
120W

Specifications Full list of technical specs

summary

E7-4850V4  vs
E5-4660V4 
Clock speed 2.1 GHz 2.2 GHz
Turbo clock speed 2.8 GHz 3 GHz
Cores 16 core 16 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 120W
Annual home energy cost 27.7 $/year 28.91 $/year
Annual commercial energy cost 100.74 $/year 105.12 $/year
Typical power consumption 93.44W 97.5W

bus

Architecture FSB FSB
Number of links 3 2
Transfer rate 8,000 MT/s 9,600 MT/s

details

E7-4850V4  vs
E5-4660V4 
Architecture x86-64 x86-64
Threads 32 32
Manufacture process 14 nm 14 nm
Max CPUs 4 4

overclocking

Overclocked clock speed 2.1 GHz 2.2 GHz
Overclocked clock speed (Water) 2.1 GHz 2.2 GHz
Overclocked clock speed (Air) 2.1 GHz 2.2 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 E7-4850V4
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Intel E5-4660V4
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