CPU AMD Phenom II X4 940 Black Edition HDZ940XCJ4DGI Quad Core 4x3GHz AM2+* c572

Technische Daten

Type

CPU / Microprocessor

Market segment

Desktop

Family

AMD Phenom II X4

Model number

940

CPU part numbers

HDZ940XCJ4DGI is an OEM/tray microprocessor; HDZ940XCGIBOX is a boxed microprocessor with fan and heatsink

Stepping codes

AACSC AC   CACVC AC   CACZC AC

Frequency

3000 MHz

Bus speed

533 MHz Memory controller; One 1800 MHz 16-bit HyperTransport link (3.6 GT/s)

Clock multiplier

15

Package

940-pin organic micro-PGA

Sockets

Socket AM2; Socket AM2+

Weight

1.4oz / 38.5g

Introduction date

Jan 8, 2009

Price at introduction

$275

Architecture / Microarchitecture

Microarchitecture

K10

Platform

Dragon

Processor core

Deneb

Core stepping

RB-C2

CPUID

100F42

Manufacturing process

0.045 micron silicon-on-insulator (SOI) technology; 758 million transistors

Die

258mm2

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 64 KB 2-way set associative instruction caches; 4 x 64 KB 2-way set associative data caches

Level 2 cache size

4 x 512 KB 16-way set associative exclusive caches

Level 3 cache size

Shared 6 MB 48-way set associative cache

Cache latency

3 (L1 cache)

Virtual memory

256 TB

Multiprocessing

Uniprocessor

Extensions and Technologies

MMX instructions; Extensions to MMX; 3DNow! technology; Extensions to 3DNow!; SSE / Streaming SIMD Extensions; SSE2 / Streaming SIMD Extensions 2; SSE3 / Streaming SIMD Extensions 3; SSE4a; AMD64 / AMD 64-bit technology; AMD-V / AMD Virtualization technology

Security Features

EVP / Enhanced Virus Protection

Low power features

Cool'n'Quiet 3.0; CoolCore Technology; Dual Dynamic Power Management; Core C1 and C1E states; Package S0, S1, S3, S4 and S5 states

Integrated peripherals / components

Integrated graphics

None

Memory controller

The number of controllers: 1
Memory channels: 2
Channel width (bits): 72
Supported memory: DDR2-1066
DIMMs per channel: 2
Maximum memory bandwidth (GB/s): 17.1

Other peripherals

HyperTransport 3 technology

Electrical / Thermal parameters

V core

1.225V - 1.425V

V NorthBridge

1.15V - 1.3V

Maximum operating temperature

55°C - 62°C

Thermal Design Power

125 Watt (Socket AM2+/Socket AM3); 139.6 Watt (Socket AM2)

Notes on AMD Phenom II X4 940

The processor has unlocked clock multiplier

On socket AM2+/AM3 platforms in the minimum performance state the processor runs at 800 MHz / 0.875 - 1.15 Volt core voltage, and has TDP 48.8 Watt

On socket AM2 platforms in the minimum performance state the processor runs at 800 MHz / 1.15 Volt core voltage, and has TDP 77 Watt

In pre-launch documents this CPU was referenced as Phenom X4 20550