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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 E5-2670 v3

Reasons to consider the
Intel Xeon E5-2670 v3

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Higher turbo clock speed 3.1 GHz vs 2.8 GHz More than 10% higher turbo clock speed
Higher clock speed 2.3 GHz vs 2.1 GHz Around 10% higher clock speed
Higher Maximum operating temperature 84.5 °C vs 77.6 °C Around 10% higher Maximum operating temperature

Features Key features of the Xeon E5-4650 v3  vs E5-2670 v3 

clock speed

turbo clock speed

Specifications Full list of technical specs


Xeon E5-4650 v3  vs
E5-2670 v3 
Clock speed 2.1 GHz 2.3 GHz
Turbo clock speed 2.8 GHz 3.1 GHz
Cores Duodeca core Duodeca core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
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


Xeon E5-4650 v3  vs
E5-2670 v3 
Architecture x86-64 x86-64
Threads 24 24
Manufacture process 22 nm 22 nm
Max CPUs 4 2
Operating temperature Unknown - 77.6°C Unknown - 84.5°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


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 E5-2670 v3
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