Intel Xeon E3-1275 Processor

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Xeon E3-1275 is a server/workstation processor from Intel released on 3 April 2011, and it is in end-of-life production status now. It belongs to Xeon E3 family and has a Sandy Bridge architecture. This processor is built on Intel Socket 1155, and uses Gen 3, 16 Lanes(CPU only) PCI express connection. 32 nm process is used in production.

Processor has 4 cores and 8 threads, with the base frequency of 3.4 GHz. It has DDR3 Dual-channel memory support. As for the cache, it supports L1 64K (per core), L2 256K (per core) and L3 8MB (shared).

Learn more about Intel Xeon E3-1275:

Specifications

Vertical Segment
Server/Workstation
Release date
3 April 2011
Production status
End-of-life
Generation
Xeon E3
Codename
Sandy Bridge
Socket
Intel Socket 1155
Total Cores
4
Total Threads
8
Frequency
3.4 GHz
Turbo clock
up to 3.8 GHz
Cache L1
64K (per core)
Cache L2
256K (per core)
Cache L3
8MB (shared)
TDP
95 W

Physical Specifications

Socket
Intel Socket 1155
Foundry
Intel
Process size
32 nm
Transistors
1,160 million
Die size
216 mm²
Package
FC-LGA10

Performance

Frequency
3.4 GHz
Turbo clock
up to 3.8 GHz
Base clock
100 MHz
Multiplier
34.0x
Multiplier unlocked
No
TDP
95 W

Architecture Details

Vertical Segment
Server/Workstation
Production status
End-of-life
Release date
3 April 2011
Codename
Sandy Bridge
Generation
Xeon E3
Part
SR00P
Memory support
DDR3 Dual-channel
ECC memory
Yes
PCI Express
Gen 3, 16 Lanes(CPU only)

Cores

Total Cores
4
Total Threads
8
SMP # CPUs
1
Integrated graphics
Intel HD P3000

Cache

Cache L1
64K (per core)
Cache L2
256K (per core)
Cache L3
8MB (shared)

Features & Technologies

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSSE3
  • SSE4.2
  • AVX
  • EIST
  • Intel 64
  • XD bit
  • VT-x
  • VT-d
  • AES-NI
  • TXT
  • HTT

Drivers

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Benchmark & Performance

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