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Differences What are the advantages of each

Front view of Intel E5-2667V4

Reasons to consider the
Intel E5-2667V4

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Higher Maximum operating temperature 78 °C vs 70 °C More than 10% higher Maximum operating temperature
Slightly lower typical power consumption 109.69W vs 113.75W Around 5% lower typical power consumption
Slightly lower annual commercial energy cost 118.26 $/year vs 122.64 $/year Around 5% lower annual commercial energy cost
Slightly lower annual home energy cost 32.52 $/year vs 33.73 $/year Around 5% lower annual home energy cost
Front view of Intel E5-1660V4

Reasons to consider the
Intel E5-1660V4

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Slightly higher turbo clock speed 3.8 GHz vs 3.6 GHz More than 5% higher turbo clock speed
Better PassMark (Single core) score 2,082 vs 1,882 More than 10% better PassMark (Single core) score
Newer Apr, 2016 vs Jan, 2016 Release date 3 months later

Benchmarks Real world tests of E5-2667V4 vs E5-1660V4

PassMark Data courtesy Passmark

E5-2667V4
16,389
E5-1660V4
16,462

PassMark (Single Core)

E5-2667V4
1,882
E5-1660V4
2,082

Specifications Full list of technical specs

summary

E5-2667V4  vs
E5-1660V4 
Clock speed 3.2 GHz 3.2 GHz
Turbo clock speed 3.6 GHz 3.8 GHz
Cores Octa core Octa 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 135W 140W
Annual home energy cost 32.52 $/year 33.73 $/year
Annual commercial energy cost 118.26 $/year 122.64 $/year
Performance per watt 3.45 pt/W 3.24 pt/W
Typical power consumption 109.69W 113.75W

bus

Architecture QPI FSB
Number of links 2 0
Transfer rate 9,600 MT/s 0 MT/s

details

E5-2667V4  vs
E5-1660V4 
Architecture x86-64 x86-64
Threads 16 16
Manufacture process 14 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 78°C Unknown - 70°C

overclocking

Overclocked clock speed 3.5 GHz 3.39 GHz
Overclocked clock speed (Water) 3.2 GHz 3.2 GHz
Overclocked clock speed (Air) 3.5 GHz 3.39 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
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 1,572,864 MB 1,572,864 MB
Intel E5-2667V4
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Intel E5-1660V4
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