Intel Xeon E5-2640 vs Intel Xeon E5-2650 v2

Physical Specifications

Socket Intel Socket 2011 Intel Socket 2011
Foundry Intel Intel
Process size 32 nm 22 nm
Transistors 2,270 million 1,400 million
Die size 435 mm² 160 mm²
Package FC-LGA10


Frequency 2.5 GHz 2.6 GHz
Turbo clock up to 3 GHz up to 3.4 GHz
Base clock 100 MHz 100 MHz
Multiplier 25.0x 26.0x
Multiplier unlocked No No
Voltage 1.35 V
TDP 95 W 95 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status unknown unknown
Release date Mar 6th, 2012 Sep 1st, 2013
Codename Sandy Bridge-EP Ivy Bridge-EP
Generation Xeon E5 Xeon E5
Memory support DDR3 Quad-channel DDR3 Quad-channel
ECC memory Yes Yes
PCI Express Gen 3 Gen 3


Total Cores 6 8
Total Threads 12 16
SMP # CPUs 2 2
Integrated graphics


Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 15MB (shared) 20MB (shared)

Features & Technologies

7.2GT/s QPI Yes
AES-NI Yes Yes
AVX Yes Yes
EIST Yes Yes
F16C 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


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