Intel Xeon E5-2643 vs Intel Xeon E5-2650

Table of Contents

Physical Specifications

Socket Intel Socket 2011 Intel Socket 2011
Foundry Intel Intel
Process size 32 nm 32 nm
Transistors 1,270 million 2,270 million
Die size 294 mm² 435 mm²
Package FC-LGA10 FC-LGA10

Performance

Frequency 3.3 GHz 2000 MHz
Turbo clock up to 3.5 GHz up to 2.8 GHz
Base clock 100 MHz 100 MHz
Multiplier 33.0x 20.0x
Multiplier unlocked No No
Voltage 1.35 V 1.35 V
TDP 130 W 95 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status unknown unknown
Release date Mar 6th, 2012 Mar 6th, 2012
Codename Sandy Bridge-EP Sandy Bridge-EP
Generation Xeon E5 Xeon E5
Part SR0L7 SR0H4SR0KQ
Memory support DDR3 Quad-channel DDR3 Quad-channel
ECC memory Yes Yes
PCI Express Gen 3 Gen 3

Cores

Total Cores 4 8
Total Threads 8 16
SMP # CPUs 2 2
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 10MB (shared) 20MB (shared)

Features & Technologies

8.0GT/s QPI Yes Yes
AES-NI Yes Yes
AVX 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

Compare

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