Intel Xeon E7-8890 v2 

Released February, 2014
  • 2.8 GHz
  • Pentadeca core

Features Key features of the Intel Xeon E7-8890 v2

clock speed

Xeon E7-8890 v2
2.8 GHz
Core i7 4960X
3.6 GHz
Core i7 3820
3.6 GHz

turbo clock speed

Xeon E7-8890 v2
3.4 GHz
Core i7 4960X
4 GHz
Core i7 3820
3.8 GHz

L2 cache

Xeon E7-8890 v2
3.5 MB
Core i7 3820
1 MB
Core i7 4960X
2 MB

L3 cache

Xeon E7-8890 v2
37.5 MB
Core i7 3820
10 MB
Core i7 4960X
15 MB

overclocked clock speed (air)

Xeon E7-8890 v2
3.2 GHz
Core i7 3820
4.68 GHz
Core i7 4960X
4.49 GHz

overclocked clock speed (water)

Xeon E7-8890 v2
3.2 GHz
Core i7 3820
4.71 GHz
Core i7 4960X
4.33 GHz

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Turbo clock speed 3.4 GHz
Cores Pentadeca core
Socket type LGA 2011
Is unlocked No

features

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

power consumption

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

bus

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

details

Architecture x86-64
Threads 30 threads
L2 cache 3.5 MB
L2 cache per core 0.23 MB/core
L3 cache 37.5 MB
L3 cache per core 2.5 MB/core
Manufacture process 22 nm
Max CPUs 8
Clock multiplier 28
Operating temperature Unknown - 77°C

overclocking

Overclocked clock speed 3.2 GHz
Overclocked clock speed (Water) 3.2 GHz
Overclocked clock speed (Air) 3.2 GHz

integrated graphics

GPU None

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
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