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Intel

Itanium

Processor 9300 Series and 9500 Series Datasheet 19

Introduction

1.3 Processor Feature Comparison

The Intel

Itanium

Processor 9300 Series processor and Intel

Itanium

Processor

9500 Series processor features are compared below in Table 1-1.

Table 1-1. Intel

Itanium

Processor 9300 Series and

Intel

Itanium

Processor 9500 Series Feature Comparison

Description

Intel

Itanium

Processor 9300

Series

Intel

Itanium

Processor 9500

Series

Socket LG1248 LG1248

Transistors 2 billion 3.1 billion

Cores/Threads up to 4/8 up to 8/16

Clock speeds up to 1.86 GHz via Intel

Turbo Boost

with sustained boost

1.73 - 2.53 GHz

Integrated on-die cache L1 (L1I 16K/L1D 16K),

L2 (L2I 512K, L2D 256K),

inclusive L3 (6 MB per core,

up to 24 MB)

FLC (FLI 16K/FLD 16K),

MLC (MLI 512K, MLD 256K),

LLC (shared, up to 32 MB)

Ararat Voltage Regulator Module Support Ararat “I” Ararat II

Supported speeds DDR3-800 DDR3-800 and DDR3-1067

Intel QPI links 6

(4 full/2 half width at up to 4.8 GT/s)

(4 full/2 half width at up to 6.4 GT/s)

Intel QPI Hot-plug Supported Supported

Intel QPI Link self-healing Supported Supported

Intel QPI Clock fail-safe Supported Supported

Intel QPI Data scrambling Supported Required

Intel QPI Periodic retraining Not Supported Required

Integrated memory controllers 2 2

Intel

SMI Interface Intel

7500 Scalable Memory Buffer

(4.8 GT/s)

Intel

7500 Scalable Memory Buffer

(4.8 GT/s)

Intel

7510 Scalable Memory Buffer

(6.4 GT/s)

Intel

SMI Hot-plug Supported Supported

Physical address space/virtual address

space

50 physical/64 virtual 50 physical/64 virtual

Caching agent architecture four caching agents per socket where

each agent is responsible for all of the

address space and dedicated to a core

two caching agents per socket are

responsible for half the address space

and shared among the cores

Home agents per socket 2 2

Directory Cache Supported Supported

Intel

Virtualization Technology (Intel

VT) Intel

Vt-i 2 Intel

Vt-i 3

Hot add/hot removal at Intel QPI link and

DIMM memory interface

Supported Supported

Hot add CPU Supported

2,3

Supported

2,3

Hot add memory Supported

2,3

Supported

2,3

Hot remove/hot replace memory Supported

2,3

Supported

2,3

Memory sparing technique DIMM DIMM and Rank

Memory scrubbing Supported Supported

Memory mirroring Supported Supported