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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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Lower typical power consumption 113.75W vs 130W Around 15% lower typical power consumption
Lower annual home energy cost 33.73 $/year vs 38.54 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 122.64 $/year vs 140.16 $/year More than 10% lower annual commercial energy cost
Front view of Intel E5-2687WV4

Reasons to consider the
Intel E5-2687WV4

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Significantly more l3 cache 30 MB vs 20 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
More cores 12 vs 8 4 more cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 24 vs 16 8 more threads
Higher Maximum operating temperature 76 °C vs 65.9 °C More than 15% higher Maximum operating temperature
Newer Jan, 2016 vs Jul, 2014 Release date over 1 years later

Features Key features of the Xeon E5-1660 v3  vs E5-2687WV4 

clock speed

turbo clock speed

Xeon E5-1660 v3
3.5 GHz
3.5 GHz

L3 cache


Specifications Full list of technical specs


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

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


Xeon E5-1660 v3  vs
Architecture x86-64 x86-64
Threads 16 24
L3 cache 20 MB 30 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 2
Operating temperature Unknown - 65.9°C Unknown - 76°C

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

power consumption

TDP 140W 160W
Annual home energy cost 33.73 $/year 38.54 $/year
Annual commercial energy cost 122.64 $/year 140.16 $/year
Typical power consumption 113.75W 130W


Architecture QPI QPI
Number of links 0 2
Transfer rate 0 MT/s 9,600 MT/s
Clock speed 0 MHz 4,800 MHz
Intel Xeon E5-1660 v3
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Intel E5-2687WV4
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