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Differences What are the advantages of each

Front view of Intel Xeon E5-2408L v3

Reasons to consider the
Intel Xeon E5-2408L v3

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Supports more RAM 393,216 MB vs 131,072 MB Supports 3x more RAM
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Xeon D-1520

Reasons to consider the
Intel Xeon D-1520

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Much higher clock speed 2.2 GHz vs 1.8 GHz More than 20% higher clock speed
Much better overclocked clock speed (Air) 2.2 GHz vs 1.8 GHz More than 20% better overclocked clock speed (Air)
Newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 2.2 GHz vs 1.8 GHz More than 20% better overclocked clock speed (Water)

Features Key features of the Xeon E5-2408L v3  vs D-1520 

clock speed

Xeon D-1520
2.2 GHz

overclocked clock speed (air)

Xeon D-1520
2.2 GHz

overclocked clock speed (water)

Xeon D-1520
2.2 GHz

Specifications Full list of technical specs

summary

Xeon E5-2408L v3  vs
D-1520 
Clock speed 1.8 GHz 2.2 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
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 45W
Annual home energy cost 10.84 $/year 10.84 $/year
Annual commercial energy cost 39.42 $/year 39.42 $/year
Typical power consumption 36.56W 36.56W

bus

Architecture QPI DMI 2.0
Number of links 1 1

details

Xeon E5-2408L v3  vs
D-1520 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 22 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 1.8 GHz 2.2 GHz
Overclocked clock speed (Water) 1.8 GHz 2.2 GHz
Overclocked clock speed (Air) 1.8 GHz 2.2 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 Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum memory size 393,216 MB 131,072 MB
Intel Xeon E5-2408L v3
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Intel Xeon D-1520
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