Intel Xeon E7-8891 v3 Processor

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Xeon E7-8891 v3 is a server/workstation processor from Intel released on 1 June 2015, and it is in active production status now. It belongs to Xeon E7 family and has a Haswell-EX architecture. This processor is built on Intel Socket 1150, and uses Gen 3, 32 Lanes(CPU only) PCI express connection. 22 nm process is used in production.

Processor has 10 cores and 20 threads, with the base frequency of 2.8 GHz. It has DDR3, DDR41866 MHz Dual-channel memory support. As for the cache, it supports L1 64K (per core), L2 256K (per core) and L3 45MB (shared).

Learn more about Intel Xeon E7-8891 v3:

Specifications

Vertical Segment
Server/Workstation
Release date
1 June 2015
Production status
Active
Generation
Xeon E7
Codename
Haswell-EX
Socket
Intel Socket 1150
Total Cores
10
Total Threads
20
Frequency
2.8 GHz
Turbo clock
up to 3.5 GHz
Cache L1
64K (per core)
Cache L2
256K (per core)
Cache L3
45MB (shared)
TDP
165 W

Physical Specifications

Socket
Intel Socket 1150
Foundry
Intel
Process size
22 nm
Transistors
1,400 million
Die size
160 mm²
Package
FC-LGA12C
tCaseMax
79°C

Performance

Frequency
2.8 GHz
Turbo clock
up to 3.5 GHz
Base clock
100 MHz
Multiplier
28.0x
Multiplier unlocked
No
TDP
165 W

Architecture Details

Vertical Segment
Server/Workstation
Production status
Active
Release date
1 June 2015
Codename
Haswell-EX
Generation
Xeon E7
Part
SR225
Memory support
DDR3, DDR41866 MHz Dual-channel
ECC memory
Yes
PCI Express
Gen 3, 32 Lanes(CPU only)

Cores

Total Cores
10
Total Threads
20
SMP # CPUs
8
Integrated graphics
N/A

Cache

Cache L1
64K (per core)
Cache L2
256K (per core)
Cache L3
45MB (shared)

Features & Technologies

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSSE3
  • SSE4.2
  • AVX
  • AVX2
  • BMI1
  • BMI2
  • F16C
  • FMA3
  • EIST
  • Intel 64
  • XD bit
  • VT-x
  • VT-d
  • AES-NI
  • TXT
  • HTT
  • ECC
  • x8 SDDC
  • vPro

Drivers

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