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Differences What are the advantages of each

Front view of Intel Xeon E5-1660 v3

Reasons to consider the
Intel Xeon E5-1660 v3

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Significantly better overclocked clock speed (Water) 4.4 GHz vs 3.2 GHz Around 40% better overclocked clock speed (Water)
Front view of Intel E5-1660V4

Reasons to consider the
Intel E5-1660V4

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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
Higher turbo clock speed 3.8 GHz vs 3.5 GHz Around 10% higher turbo clock speed
Higher clock speed 3.2 GHz vs 3 GHz More than 5% higher clock speed
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Better PassMark (Single core) score 2,082 vs 1,767 Around 20% better PassMark (Single core) score
Better PassMark score 16,462 vs 14,267 More than 15% better PassMark score
Better overclocked clock speed (Air) 3.39 GHz vs 3 GHz Around 15% better overclocked clock speed (Air)
Newer Apr, 2016 vs Jul, 2014 Release date over 1 years later
Higher Maximum operating temperature 70 °C vs 65.9 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Xeon E5-1660 v3 vs E5-1660V4

PassMark Data courtesy Passmark


PassMark (Single Core)

Specifications Full list of technical specs


Xeon E5-1660 v3  vs
Clock speed 3 GHz 3.2 GHz
Turbo clock speed 3.5 GHz 3.8 GHz
Cores Octa core Octa core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 140W 140W
Annual home energy cost 33.73 $/year 33.73 $/year
Annual commercial energy cost 122.64 $/year 122.64 $/year
Performance per watt 2.79 pt/W 3.24 pt/W
Typical power consumption 113.75W 113.75W


Architecture QPI FSB
Number of links 0 0
Transfer rate 0 MT/s 0 MT/s


Xeon E5-1660 v3  vs
Architecture x86-64 x86-64
Threads 16 16
Manufacture process 22 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 65.9°C Unknown - 70°C


Overclocked clock speed 3 GHz 3.39 GHz
Overclocked clock speed (Water) 4.4 GHz 3.2 GHz
Overclocked clock speed (Air) 3 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 786,432 MB 1,572,864 MB
Intel Xeon E5-1660 v3
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Intel E5-1660V4
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