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Differences What are the advantages of each

Front view of Intel Xeon E7-8891 v3

Reasons to consider the
Intel Xeon E7-8891 v3

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Much higher clock speed 2.8 GHz vs 2.13 GHz More than 30% higher clock speed
Much higher turbo clock speed 3.5 GHz vs 2.4 GHz More than 45% higher turbo clock speed
Supports more RAM 1,572,864 MB vs 1,048,576 MB Supports 50% more RAM
More threads 20 vs 16 4 more threads
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Newer Apr, 2015 vs Apr, 2011 Release date over 4 years later
Front view of Intel Xeon E7-2830

Reasons to consider the
Intel Xeon E7-2830

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Much lower typical power consumption 85.31W vs 134.06W More than 35% lower typical power consumption
Much lower annual commercial energy cost 91.98 $/year vs 144.54 $/year More than 35% lower annual commercial energy cost
Much lower annual home energy cost 25.29 $/year vs 39.75 $/year More than 35% lower annual home energy cost

Features Key features of the Xeon E7-8891 v3  vs E7-2830 

clock speed

Xeon E7-8891 v3
2.8 GHz
Xeon E7-2830
2.13 GHz

turbo clock speed

Xeon E7-8891 v3
3.5 GHz
Xeon E7-2830
2.4 GHz

Specifications Full list of technical specs

summary

Xeon E7-8891 v3  vs
E7-2830 
Clock speed 2.8 GHz 2.13 GHz
Turbo clock speed 3.5 GHz 2.4 GHz
Cores Deca core Octa 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 1,048,576 MB

details

Xeon E7-8891 v3  vs
E7-2830 
Architecture x86-64 x86-64
Threads 20 16
Manufacture process 22 nm 32 nm
Max CPUs 8 2
Operating temperature Unknown - 79°C Unknown - 64°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 165W 105W
Annual home energy cost 39.75 $/year 25.29 $/year
Annual commercial energy cost 144.54 $/year 91.98 $/year
Typical power consumption 134.06W 85.31W

bus

Architecture QPI QPI
Number of links 3 1
Data rate 115,200 MB/s 25,600 MB/s
Transfer rate 9,600 MT/s 6,400 MT/s
Clock speed 4,800 MHz 3,200 MHz
Intel Xeon E7-8891 v3
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Intel Xeon E7-2830
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