Intel Xeon E3-1270 v2 vs Intel Xeon E3-1275 v2

Physical Specifications

Socket Intel Socket 1155 Intel Socket 1155
Foundry Intel Intel
Process size 22 nm 22 nm
Transistors 1,400 million 1,400 million
Die size 160 mm² 160 mm²
Package FC-LGA12C FC-LGA12C


Frequency 3.5 GHz 3.5 GHz
Turbo clock up to 3.9 GHz up to 3.9 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 35.0x
Multiplier unlocked No No
TDP 69 W 77 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status unknown unknown
Release date May 14th, 2012 May 14th, 2012
Codename Ivy Bridge Ivy Bridge
Generation Xeon E3 Xeon E3
Part SR0P6 SR0PA
Memory support DDR3 Dual-channel DDR3 Dual-channel
ECC memory Yes Yes
PCI Express Gen 3, 16 Lanes(CPU only) Gen 3, 16 Lanes(CPU only)


Total Cores 4 4
Total Threads 8 8
SMP # CPUs 1 1
Integrated graphics Intel HD P4000


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

Features & Technologies

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


Notes Intel HD P4000 frequency: 650-1250MHz


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