Type

CPU / Microprocessor

Market segment

Desktop

Family

Model number?

1055T

CPU part numbers

• HDT55TWFK6DGRis an OEM/tray microprocessor

• HDT55TWFGRBOXis a boxed microprocessor with fan and heatsink

Stepping codes

ACBBE CBCCBBE CB

Frequency?

2800 MHz

Turbo frequency

3300 MHz (3 cores or less)

Bus speed?

667 MHz Memory controller
One 2000 MHz 16-bit HyperTransport link (4 GT/s)

Clock multiplier?

14

Package

938-pin organic micro-PGA

Socket

Socket AM3

Weight

1.3oz / 38.1g

Introduction date

May 2010

Architecture / Microarchitecture

Microarchitecture

K10

Platform

Leo

Processor core?

Thuban

Core stepping?

PH-E0

CPUID

100FA0

Manufacturing process

0.045 micron silicon-on-insulator (SOI) technology

Die size

346mm2

Data width

64 bit

The number of CPU cores

6

The number of threads

6

Floating Point Unit

Integrated

Level 1 cache size?

6 x 64 KB 2-way set associative instruction caches
6 x 64 KB 2-way set associative data caches

Level 2 cache size?

6 x 512 KB 16-way set associative exclusive caches

Level 3 cache size

Shared 6 MB 48-way set associative cache

Cache latency[1]

3 (L1 cache)
13 (L2 cache)
48 (L3 cache)

Multiprocessing

Uniprocessor

Features

• 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?

• EVP / Enhanced Virus Protection?

• AMD-V / AMD Virtualization technology

• Turbo Core technology

Low power features

• Cool'n'Quiet 3.0

• 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, DDR3-1333
DIMMs per channel: up to 2
Maximum memory bandwidth (GB/s): 21.3

Other peripherals

HyperTransport 3 technology

Electrical / Thermal parameters

V core?

1.075V - 1.375V (at rated frequency)
1.225V - 1.425V (Turbo Core mode)
0.975V - 1.175V (Minimum performance state)

V NorthBridge

1.05V - 1.175V

Maximum operating temperature?

55°C - 71°C

Thermal Design Power?

95 Watt

Notes on AMD Phenom II X6 1055T (95W)