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Differences What are the advantages of each

Front view of Intel Xeon E3-1275 v5

Reasons to consider the
Intel Xeon E3-1275 v5

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Higher clock speed 3.6 GHz vs 3.4 GHz More than 5% higher clock speed
Higher GPU clock speed 400 MHz vs 350 MHz Around 15% higher GPU clock speed
Newer Oct, 2015 vs Jul, 2015 Release date 3 months later
Front view of Intel Core i7 6700

Reasons to consider the
Intel Core i7 6700

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Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Better performance per dollar 0.87 pt/$ vs 0.8 pt/$ Around 10% better performance per dollar
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Slightly better overclocked clock speed (Water) 4.18 GHz vs 4 GHz Around 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1275 v5 vs Core i7 6700

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1275 v5  vs
Core i7 6700 
Clock speed 3.6 GHz 3.4 GHz
Turbo clock speed 4 GHz 4 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 80W 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 3.54 pt/W 4.09 pt/W
Typical power consumption 65W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Transfer rate 8,000 MT/s 8,000 MT/s

details

Xeon E3-1275 v5  vs
Core i7 6700 
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 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4 GHz 3.98 GHz
Overclocked clock speed (Water) 4 GHz 4.18 GHz
Overclocked clock speed (Air) 4 GHz 3.98 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P530 Intel® HD Graphics 530
Number of displays supported 3 3
GPU clock speed 400 MHz 350 MHz
Turbo clock speed 1,150 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Xeon E3-1275 v5
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Intel Core i7 6700
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