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AMD Whistler

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Whistler
Block Diagram
Block Diagram
AMD's Whistler GPU uses the TeraScale 2 architecture and is made using a 40 nm production process at TSMC. With a die size of 104 mm² and a transistor count of 716 million it is a small chip. Whistler supports DirectX 11.2 (Feature Level 11_0). It features 480 shading units, 24 texture mapping units and 16 ROPs.
Further reading: TeraScale 2 Instruction Set Architecture

Graphics Processor

GPU Name
Whistler
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
716 million
Density
6.9M / mm²
Die Size
104 mm²
Released
Jan 4th, 2011

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0
Compute
GFX4

Render Config

Shading Units
480
TMUs
24
ROPs
16
Compute Units
6
Z-Stencil
32
L1 Cache
8 KB per CU
L2 Cache
256 KB
Max. TDP
35 W

All TeraScale 2 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Whistler GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 6770M Whistler XT 1024 MB 480 24 8 725 MHz 900 MHz
AMD Radeon HD 6750M Whistler PRO 1024 MB 480 24 8 600 MHz 800 MHz
AMD Radeon HD 6730M Whistler LE 1024 MB 480 24 8 725 MHz 800 MHz
AMD Radeon HD 6650M Whistler LE 1024 MB 480 24 8 600 MHz 800 MHz
AMD Radeon HD 6630M Whistler LP 1024 MB 480 24 8 500 MHz 800 MHz
AMD Radeon HD 7610M Whistler LE 1024 MB 400 20 8 450 MHz 800 MHz
AMD Radeon HD 7690M Rebrand Whistler XT 1024 MB 480 24 8 600 MHz 800 MHz
AMD FirePro M5950 Whistler XT GL 1024 MB 480 24 8 725 MHz 900 MHz
AMD Radeon HD 6610M Whistler LP 1024 MB 480 24 8 450 MHz 800 MHz
AMD Radeon HD 6625M Whistler LP 1024 MB 480 24 8 450 MHz 800 MHz
AMD Radeon HD 6750M Mac Edition Whistler PRO 512 MB 480 24 8 598 MHz 794 MHz
AMD Radeon HD 6770M Mac Edition Whistler XT 512 MB 480 24 8 725 MHz 900 MHz
AMD Radeon HD 6570M 1024 MB 480 24 16 600 MHz 800 MHz
AMD Radeon HD 7650M Rebrand Whistler PRO 1024 MB 480 24 8 485 MHz 800 MHz
AMD Radeon HD 6630M Mac Edition Whistler LP 256 MB 480 24 8 500 MHz 600 MHz
AMD Radeon HD 7690M XT Rebrand Whistler XTX 1024 MB 480 24 8 725 MHz 800 MHz
AMD Radeon HD 7670M Rebrand Whistler XT 1024 MB 480 24 16 600 MHz 900 MHz

Whistler GPU Notes

Architecture Codename: Northern Islands
Chip Variant: Turks
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1