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Differences What are the advantages of each

Front view of Intel Xeon E5-2648L v3

Reasons to consider the
Intel Xeon E5-2648L v3

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Much more l3 cache 30 MB vs 25 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 24 vs 20 4 more threads
Newer Jul, 2014 vs Jul, 2013 Release date a year later
Front view of Intel Xeon E5 2648L v2

Reasons to consider the
Intel Xeon E5 2648L v2

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Higher clock speed 1.9 GHz vs 1.8 GHz More than 5% higher clock speed
Better overclocked clock speed (Air) 1.9 GHz vs 1.8 GHz More than 5% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.9 GHz vs 1.8 GHz More than 5% better overclocked clock speed (Water)

Features Key features of the Xeon E5-2648L v3  vs E5 2648L v2 

clock speed

turbo clock speed

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5-2648L v3  vs
E5 2648L v2 
Clock speed 1.8 GHz 1.9 GHz
Turbo clock speed 2.5 GHz 2.5 GHz
Cores Duodeca core Deca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 75W 70W
Annual home energy cost 18.07 $/year 16.86 $/year
Annual commercial energy cost 65.7 $/year 61.32 $/year
Typical power consumption 60.94W 56.88W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz

details

Xeon E5-2648L v3  vs
E5 2648L v2 
Architecture x86-64 x86-64
Threads 24 20
L3 cache 30 MB 25 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Operating temperature Unknown - 87.03°C Unknown - 92°C

overclocking

Overclocked clock speed 1.8 GHz 1.9 GHz
Overclocked clock speed (Water) 1.8 GHz 1.9 GHz
Overclocked clock speed (Air) 1.8 GHz 1.9 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
Memory type
DDR3
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes No
Maximum bandwidth 6,400 MB/s 25,600 MB/s
Maximum memory size 786,432 MB 786,432 MB
Intel Xeon E5-2648L v3
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Intel Xeon E5 2648L v2
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