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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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Supports more RAM 786,432 MB vs 32,768 MB Supports 24x more RAM
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Lower typical power consumption 69.06W vs 77.19W More than 10% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower annual commercial energy cost 74.46 $/year vs 83.22 $/year More than 10% lower annual commercial energy cost
Lower annual home energy cost 20.48 $/year vs 22.89 $/year More than 10% lower annual home energy cost
Front view of Intel Xeon E3-1285 v4

Reasons to consider the
Intel Xeon E3-1285 v4

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Much higher clock speed 3.5 GHz vs 2.4 GHz More than 45% higher clock speed
Significantly higher turbo clock speed 3.8 GHz vs 3.2 GHz Around 20% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 3.5 GHz vs 2.75 GHz More than 25% 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) 3.5 GHz vs 2.4 GHz More than 45% better overclocked clock speed (Water)
Newer Apr, 2015 vs Jul, 2014 Release date 9 months later

Features Key features of the Xeon E5-2630 v3  vs E3-1285 v4 

clock speed

turbo clock speed

overclocked clock speed (air)

Xeon E5-2630 v3
2.75 GHz
Xeon E3-1285 v4
3.5 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5-2630 v3  vs
E3-1285 v4 
Clock speed 2.4 GHz 3.5 GHz
Turbo clock speed 3.2 GHz 3.8 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
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 85W 95W
Annual home energy cost 20.48 $/year 22.89 $/year
Annual commercial energy cost 74.46 $/year 83.22 $/year
Typical power consumption 69.06W 77.19W

bus

Architecture QPI DMI
Number of links 2 0
Transfer rate 8,000 MT/s 5,000 MT/s

details

Xeon E5-2630 v3  vs
E3-1285 v4 
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 3.5 GHz
Overclocked clock speed (Water) 2.4 GHz 3.5 GHz
Overclocked clock speed (Air) 2.75 GHz 3.5 GHz

integrated graphics

GPU None GPU
Label N/A Intel® Iris™ Pro Graphics P6300
Number of displays supported N/A 3
GPU clock speed N/A 300 MHz
Turbo clock speed N/A 1,150 MHz

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 32,768 MB
Intel Xeon E5-2630 v3
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Intel Xeon E3-1285 v4
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