Intel Xeon E7-8891 v3 

Released April, 2015
  • 2.8 GHz
  • Deca core

Features Key features of the Intel Xeon E7-8891 v3

clock speed

Xeon E7-8891 v3
2.8 GHz
Core i7 4790
3.6 GHz

turbo clock speed

Xeon E7-8891 v3
3.5 GHz
Core i7 6700K
4.2 GHz
Core i7 4790
4 GHz


Xeon E7-8891 v3

Specifications Full list of technical specs


Clock speed 2.8 GHz
Turbo clock speed 3.5 GHz
Cores Deca core


Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. AES
  2. AVX
  3. AVX 2.0
Supports dynamic frequency scaling Yes

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1600
  2. DDR3-1333
  3. DDR3-1066
Channels Quad Channel
Supports ECC Yes
Maximum bandwidth 51,200 MB/s
Maximum memory size 1,572,864 MB


Architecture x86-64
Threads 20 threads
Manufacture process 22 nm
Max CPUs 8
Operating temperature Unknown - 79°C

integrated graphics

GPU None

power consumption

TDP 165W
Annual home energy cost 39.75 $/year
Annual commercial energy cost 144.54 $/year
Typical power consumption 134.06W


Architecture QPI
Data rate 115,200 MB/s
Transfer rate 9,600 MT/s
Clock speed 4,800 MHz
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