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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

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