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Differences What are the advantages of each

Front view of Intel Xeon E5-2630 v3

Reasons to consider the
Intel Xeon E5-2630 v3

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Higher turbo clock speed 3.2 GHz vs 2.7 GHz Around 20% higher turbo clock speed
Higher clock speed 2.4 GHz vs 2.2 GHz Around 10% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 16 vs 8 Twice as many threads
Supports more RAM 786,432 MB vs 131,072 MB Supports 6x more RAM
Better overclocked clock speed (Air) 2.75 GHz vs 2.2 GHz Around 25% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.4 GHz vs 2.2 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Xeon D-1527

Reasons to consider the
Intel Xeon D-1527

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Much lower typical power consumption 28.44W vs 69.06W 2.4x lower typical power consumption
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual home energy cost 8.43 $/year vs 20.48 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 74.46 $/year 2.4x lower annual commercial energy cost
Newer Oct, 2015 vs Jul, 2014 Release date over 1 years later

Features Key features of the Xeon E5-2630 v3  vs D-1527 

clock speed

Xeon E5-2630 v3
2.4 GHz
Xeon D-1527
2.2 GHz

turbo clock speed

Xeon E5-2630 v3
3.2 GHz
Xeon D-1527
2.7 GHz

overclocked clock speed (air)

Xeon E5-2630 v3
2.75 GHz
Xeon D-1527
2.2 GHz

overclocked clock speed (water)

Xeon E5-2630 v3
2.4 GHz
Xeon D-1527
2.2 GHz

Specifications Full list of technical specs

summary

Xeon E5-2630 v3  vs
D-1527 
Clock speed 2.4 GHz 2.2 GHz
Turbo clock speed 3.2 GHz 2.7 GHz
Cores Octa 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 85W 35W
Annual home energy cost 20.48 $/year 8.43 $/year
Annual commercial energy cost 74.46 $/year 30.66 $/year
Typical power consumption 69.06W 28.44W

bus

Architecture QPI FSB
Number of links 2 1

details

Xeon E5-2630 v3  vs
D-1527 
Architecture x86-64 x86-64
Threads 16 8
Manufacture process 22 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 2.75 GHz 2.2 GHz
Overclocked clock speed (Water) 2.4 GHz 2.2 GHz
Overclocked clock speed (Air) 2.75 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
Memory type
DDR3
DDR
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 6,400 MB/s 12,800 MB/s
Maximum memory size 786,432 MB 131,072 MB
Intel Xeon E5-2630 v3
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Intel Xeon D-1527
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