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AMD Lexington

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Lexington
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Block Diagram 2
Block Diagram 2
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Setup
AMD's Lexington GPU uses the TeraScale 2 architecture and is made using a 40 nm production process at TSMC. With a die size of 334 mm² and a transistor count of 2,154 million it is a large chip. Lexington supports DirectX 11.2 (Feature Level 11_0). It features 400 shading units, 20 texture mapping units and 8 ROPs.
Further reading: Evergreen Series Instruction Set Architecture

Graphics Processor

GPU Name
Lexington
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
2,154 million
Density
6.4M / mm²
Die Size
334 mm²
Released
Nov 26th, 2010

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
400
TMUs
20
ROPs
8
Compute Units
5
Z-Stencil
40
L1 Cache
16 KB per CU
L2 Cache
256 KB
Max. TDP
26 W

All TeraScale 2 GPUs

Graphics cards using the AMD Lexington GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 6550M 1024 MB 400 20 8 600 MHz 900 MHz

Lexington GPU Notes

Architecture Codename: Evergreen
Chip Variant: Cypress
Graphics/Compute: GFX4
Display Core Engine: 4.0
Unified Video Decoder: 2.3