General information

Type

CPU / Microprocessor

Market segment

Desktop

Family

Model number ?

CPU part numbers

• AT80580PJ0676M is an OEM/tray microprocessor

• BX80580Q9400 is a boxed processor with fan and heatsink (English version)

• BXC80580Q9400 is a boxed processor with fan and heatsink (Chinese version)

Frequency ?

2667 MHz

Bus speed ?

1333 MHz

Clock multiplier ?

8

Package

775-land Flip-Chip Land Grid Array (FC-LGA8)1.48'' x 1.48'' (3.75 cm x 3.75 cm)

Socket

Socket 775

Introduction date

Aug 10, 2008

Price at introduction

$266

S-spec numbers

Architecture / Microarchitecture

Microarchitecture

Core

Processor core ?

Yorkfield

Core stepping ?

R0 (QHHU, SLB6B)

CPUID

1067A (QHHU, SLB6B)

Manufacturing process

0.045 micron456 million transistors

Die

164mm2

Data width

64 bit

The number of CPU cores

4

The number of threads

4

Floating Point Unit

Integrated

Level 1 cache size ?

4 x 32 KB 8-way set associative instruction caches4 x 32 KB 8-way set associative data caches

Level 2 cache size ?

2 x 3 MB 12-way set associative caches (each L2 cache is shared between 2 cores)

Multiprocessing

Uniprocessor

Extensions and Technologies

• MMX instructions

• SSE / Streaming SIMD Extensions

• SSE2 / Streaming SIMD Extensions 2

• SSE3 / Streaming SIMD Extensions 3

• SSSE3 / Supplemental Streaming SIMD Extensions 3

• SSE4.1 / Streaming SIMD Extensions 4.1 ?

• EM64T / Extended Memory 64 technology / Intel 64 ?

• VT-x / Virtualization technology ?

• VT-d / Virtualization for directed I/O

Security Features

• NX / XD / Execute disable bit ?

• TXT / Trusted Execution technology

Low power features

• Enhanced SpeedStep technology ?

• Stop Grant state ?

• Halt state

• Extended Halt state

• Extended Stop Grant State

• Sleep state ?

• Deep Sleep state ?

• Deeper Sleep state ?

Integrated peripherals / components

Integrated graphics

None

Electrical / Thermal parameters

V core ?

0.85V - 1.3625V

Minimum/Maximum operating temperature ?

5°C - 71.4°C

Minimum/Maximum power dissipation ?

12 Watt (TDP in extended HALT state) / 132.48 Watt

Thermal Design Power ?

95 Watt

Notes on Core 2 Quad Q9400