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Differences What are the advantages of each

Front view of Intel Xeon E5-2609 v3

Reasons to consider the
Intel Xeon E5-2609 v3

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Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Newer Jul, 2014 vs Jan, 2014 Release date 6 months later
Front view of Intel Xeon E5-1428L v2

Reasons to consider the
Intel Xeon E5-1428L v2

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Much higher clock speed 2.2 GHz vs 1.9 GHz More than 15% higher clock speed
More threads 12 vs 6 Twice as many threads
Much higher Maximum operating temperature 80 °C vs 70.9 °C Around 15% higher Maximum operating temperature
Lower typical power consumption 48.75W vs 69.06W Around 30% lower typical power consumption
Significantly better overclocked clock speed (Air) 2.2 GHz vs 1.9 GHz More than 15% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.2 GHz vs 1.9 GHz More than 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 52.56 $/year vs 74.46 $/year Around 30% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 20.48 $/year Around 30% lower annual home energy cost

Features Key features of the Xeon E5-2609 v3  vs E5-1428L v2 

clock speed

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5-2609 v3  vs
E5-1428L v2 
Clock speed 1.9 GHz 2.2 GHz
Cores Hexa core Hexa 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

power consumption

TDP 85W 60W
Annual home energy cost 20.48 $/year 14.45 $/year
Annual commercial energy cost 74.46 $/year 52.56 $/year
Typical power consumption 69.06W 48.75W

bus

Architecture QPI FSB
Number of links 2 1
Transfer rate 6,400 MT/s 0 MT/s

details

Xeon E5-2609 v3  vs
E5-1428L v2 
Architecture x86-64 x86-64
Threads 6 12
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 1
Operating temperature Unknown - 70.9°C Unknown - 80°C

overclocking

Overclocked clock speed 1.9 GHz 2.2 GHz
Overclocked clock speed (Water) 1.9 GHz 2.2 GHz
Overclocked clock speed (Air) 1.9 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
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
DDR
Channels Quad Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 6,400 MB/s 38,400 MB/s
Maximum memory size 786,432 MB 393,216 MB
Intel Xeon E5-2609 v3
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Intel Xeon E5-1428L v2
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