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Differences What are the advantages of each

Front view of Intel Xeon E3-1246 v3

Reasons to consider the
Intel Xeon E3-1246 v3

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Higher clock speed 3.5 GHz vs 2.8 GHz More than 25% higher clock speed
Significantly better turbo clock speed 1,200 MHz vs 1,000 MHz 20% better turbo clock speed
Slightly higher turbo clock speed 3.9 GHz vs 3.7 GHz More than 5% higher turbo clock speed
Front view of Intel E3-1515MV5

Reasons to consider the
Intel E3-1515MV5

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 68.25W More than 45% lower typical power consumption
Newer Jan, 2016 vs Apr, 2014 Release date over 1 years later
Much lower annual home energy cost 10.84 $/year vs 20.24 $/year More than 45% lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 73.58 $/year More than 45% lower annual commercial energy cost

Features Key features of the Xeon E3-1246 v3  vs E3-1515MV5 

clock speed

Xeon E3-1246 v3
3.5 GHz
E3-1515MV5
2.8 GHz

turbo clock speed

Xeon E3-1246 v3
3.9 GHz
E3-1515MV5
3.7 GHz

L3 cache

gpu clock speed

Xeon E3-1246 v3
350 MHz
E3-1515MV5
350 MHz

Specifications Full list of technical specs

summary

Xeon E3-1246 v3  vs
E3-1515MV5 
Clock speed 3.5 GHz 2.8 GHz
Turbo clock speed 3.9 GHz 3.7 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 65,536 MB

details

Xeon E3-1246 v3  vs
E3-1515MV5 
Architecture x86-64 x86-64
Threads 8 8
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 1

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P4600 Intel® Iris™ Pro Graphics P580
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,200 MHz 1,000 MHz

power consumption

TDP 84W 45W
Annual home energy cost 20.24 $/year 10.84 $/year
Annual commercial energy cost 73.58 $/year 39.42 $/year
Typical power consumption 68.25W 36.56W

bus

Architecture DMI 2.0 FSB
Number of links 0 1
Transfer rate 5,000 MT/s 8,000 MT/s
Intel Xeon E3-1246 v3
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Intel E3-1515MV5
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