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Differences What are the advantages of each

Front view of Intel Xeon E5-4650 v3

Reasons to consider the
Intel Xeon E5-4650 v3

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Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Lower typical power consumption 85.31W vs 97.5W Around 15% lower typical power consumption
Newer Apr, 2015 vs Jul, 2014 Release date 9 months later
Lower annual home energy cost 25.29 $/year vs 28.91 $/year Around 15% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 105.12 $/year Around 15% lower annual commercial energy cost
Front view of Intel Xeon E5-2683 v3

Reasons to consider the
Intel Xeon E5-2683 v3

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Slightly higher turbo clock speed 3 GHz vs 2.8 GHz More than 5% higher turbo clock speed
More cores 14 vs 12 2 more cores; run more applications at once
More threads 28 vs 24 4 more threads
Higher Maximum operating temperature 82.5 °C vs 77.6 °C More than 5% higher Maximum operating temperature

Features Key features of the Xeon E5-4650 v3  vs E5-2683 v3 

clock speed

turbo clock speed

Specifications Full list of technical specs

summary

Xeon E5-4650 v3  vs
E5-2683 v3 
Clock speed 2.1 GHz 2 GHz
Turbo clock speed 2.8 GHz 3 GHz
Cores Duodeca core Processing Cores

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 786,432 MB 786,432 MB

details

Xeon E5-4650 v3  vs
E5-2683 v3 
Architecture x86-64 x86-64
Threads 24 28
Manufacture process 22 nm 22 nm
Max CPUs 4 2
Operating temperature Unknown - 77.6°C Unknown - 82.5°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 120W
Annual home energy cost 25.29 $/year 28.91 $/year
Annual commercial energy cost 91.98 $/year 105.12 $/year
Typical power consumption 85.31W 97.5W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 76,800 MB/s
Transfer rate 9,600 MT/s 9,600 MT/s
Clock speed 4,800 MHz 4,800 MHz
Intel Xeon E5-4650 v3
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Intel Xeon E5-2683 v3
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