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Differences What are the advantages of each

Front view of Intel Xeon E7-4820 v2

Reasons to consider the
Intel Xeon E7-4820 v2

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Lower typical power consumption 85.31W vs 93.44W Around 10% lower typical power consumption
Lower annual home energy cost 25.29 $/year vs 27.7 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost
Front view of Intel E7-4820V4

Reasons to consider the
Intel E7-4820V4

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Supports more RAM 3,145,728 MB vs 1,572,864 MB Supports 2x more RAM
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 10 vs 8 2 more cores; run more applications at once
More threads 20 vs 16 4 more threads
Newer Apr, 2016 vs Feb, 2014 Release date over 2 years later

Features Key features of the Xeon E7-4820 v2  vs E7-4820V4 

clock speed

TDP

Specifications Full list of technical specs

summary

Xeon E7-4820 v2  vs
E7-4820V4 
Clock speed 2 GHz 2 GHz
Cores Octa core Deca 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
Memory type
DDR3-1333
DDR3-1066
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 42,666.64 MB/s 42,666.64 MB/s
Maximum memory size 1,572,864 MB 3,145,728 MB

details

Xeon E7-4820 v2  vs
E7-4820V4 
Architecture x86-64 x86-64
Threads 16 20
Manufacture process 22 nm 14 nm
Max CPUs 4 4
Operating temperature Unknown - 68°C Unknown - 67°C

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 105W 115W
Annual home energy cost 25.29 $/year 27.7 $/year
Annual commercial energy cost 91.98 $/year 100.74 $/year
Typical power consumption 85.31W 93.44W

bus

Architecture QPI FSB
Number of links 3 3
Transfer rate 7,200 MT/s 6,400 MT/s
Intel Xeon E7-4820 v2
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Intel E7-4820V4
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