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Differences What are the advantages of each

Front view of Intel Xeon E3-1265L v4

Reasons to consider the
Intel Xeon E3-1265L v4

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Newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 28.44W vs 36.56W More than 20% lower typical power consumption
Newer Apr, 2015 vs May, 2012 Release date over 2 years later
Lower annual commercial energy cost 30.66 $/year vs 39.42 $/year More than 20% lower annual commercial energy cost
Lower annual home energy cost 8.43 $/year vs 10.84 $/year More than 20% lower annual home energy cost
Front view of Intel Xeon E3-1265L v2

Reasons to consider the
Intel Xeon E3-1265L v2

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Much higher GPU clock speed 650 MHz vs 300 MHz Around 2.2x higher GPU clock speed
Significantly higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Higher turbo clock speed 3.5 GHz vs 3.3 GHz More than 5% higher turbo clock speed
Significantly better overclocked clock speed (Air) 2.5 GHz vs 2.3 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.5 GHz vs 2.3 GHz Around 10% better overclocked clock speed (Water)

Features Key features of the Xeon E3-1265L v4  vs v2 

clock speed

turbo clock speed

gpu clock speed

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E3-1265L v4  vs
v2 
Clock speed 2.3 GHz 2.5 GHz
Turbo clock speed 3.3 GHz 3.5 GHz
Cores Quad core Quad 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 35W 45W
Annual home energy cost 8.43 $/year 10.84 $/year
Annual commercial energy cost 30.66 $/year 39.42 $/year
Performance per watt 14.84 pt/W 19.91 pt/W
Typical power consumption 28.44W 36.56W

bus

Architecture DMI DMI
Number of links 0 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1265L v4  vs
v2 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.3 GHz 2.5 GHz
Overclocked clock speed (Water) 2.3 GHz 2.5 GHz
Overclocked clock speed (Air) 2.3 GHz 2.5 GHz

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Pro Graphics P6300 Intel® HD Graphics 2500
Number of displays supported 3 3
GPU clock speed 300 MHz 650 MHz
Turbo clock speed 1,050 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 33,556.48 MB
Intel Xeon E3-1265L v4
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Intel Xeon E3-1265L v2
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