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Differences What are the advantages of each

Front view of Intel Xeon E7-8893 v2

Reasons to consider the
Intel Xeon E7-8893 v2

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Significantly higher clock speed 3.4 GHz vs 3.2 GHz More than 5% higher clock speed
Much more l3 cache per core 6.25 MB/core vs 3.75 MB/core More than 65% more l3 cache per core
Front view of Intel Xeon E7-8891 v2

Reasons to consider the
Intel Xeon E7-8891 v2

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Much more l2 cache 2.5 MB vs 1.5 MB More than 65% more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 20 vs 12 8 more threads

Features Key features of the Xeon E7-8893 v2  vs E7-8891 v2 

clock speed

turbo clock speed

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-8893 v2  vs
E7-8891 v2 
Clock speed 3.4 GHz 3.2 GHz
Turbo clock speed 3.7 GHz 3.7 GHz
Cores Hexa core Deca core
Socket type
LGA 2011
Is unlocked No No

features

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

power consumption

TDP 155W 155W
Annual home energy cost 37.34 $/year 37.34 $/year
Annual commercial energy cost 135.78 $/year 135.78 $/year
Typical power consumption 125.94W 125.94W

bus

Architecture QPI QPI
Number of links 3 3
Data rate 96,000 MB/s 96,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz

details

Xeon E7-8893 v2  vs
E7-8891 v2 
Architecture x86-64 x86-64
Threads 12 20
L2 cache 1.5 MB 2.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 37.5 MB 37.5 MB
L3 cache per core 6.25 MB/core 3.75 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 8 8
Clock multiplier 34 32
Operating temperature Unknown - 77°C Unknown - 77°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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 51,200 MB/s 51,200 MB/s
Maximum memory size 1,572,864 MB 1,572,864 MB
Intel Xeon E7-8893 v2
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Intel Xeon E7-8891 v2
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