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Differences What are the advantages of each

Front view of Intel E7-4809V4

Reasons to consider the
Intel E7-4809V4

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Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Apr, 2016 vs Jan, 2016 Release date 3 months later
Front view of Intel E5-2660V4

Reasons to consider the
Intel E5-2660V4

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More cores 14 vs 8 6 more cores; run more applications at once
More threads 28 vs 16 12 more threads
Better overclocked clock speed (Air) 2.79 GHz vs 2 GHz Around 40% better overclocked clock speed (Air)
Lower typical power consumption 85.31W vs 93.44W Around 10% lower typical power consumption
Higher Maximum operating temperature 79 °C vs 69 °C Around 15% higher Maximum operating temperature
Lower annual home energy cost 25.29 $/year vs 27.7 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 91.98 $/year vs 100.74 $/year Around 10% lower annual commercial energy cost

Features Key features of the E7-4809V4  vs E5-2660V4 

clock speed

E7-4809V4
2.1 GHz
E5-2660V4
2 GHz

overclocked clock speed (air)

E7-4809V4
2 GHz
E5-2660V4
2.79 GHz

overclocked clock speed (water)

E7-4809V4
2 GHz
E5-2660V4
2 GHz

TDP

E7-4809V4
115W
E5-2660V4
105W

Specifications Full list of technical specs

summary

E7-4809V4  vs
E5-2660V4 
Clock speed 2.1 GHz 2 GHz
Cores Octa core Processing Cores

features

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

power consumption

TDP 115W 105W
Annual home energy cost 27.7 $/year 25.29 $/year
Annual commercial energy cost 100.74 $/year 91.98 $/year
Typical power consumption 93.44W 85.31W

bus

Architecture FSB QPI
Number of links 3 2
Transfer rate 6,400 MT/s 9,600 MT/s

details

E7-4809V4  vs
E5-2660V4 
Architecture x86-64 x86-64
Threads 16 28
Manufacture process 14 nm 14 nm
Max CPUs 4 2
Operating temperature Unknown - 69°C Unknown - 79°C

overclocking

Overclocked clock speed 2 GHz 2.79 GHz
Overclocked clock speed (Water) 2 GHz 2 GHz
Overclocked clock speed (Air) 2 GHz 2.79 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
Intel E7-4809V4
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Intel E5-2660V4
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