AMD Redwood

Redwood

Block Diagram

AMD's Redwood 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 627 million it is a small chip. Redwood supports DirectX 11.2 (Feature Level 11_0). For GPU compute applications, OpenCL version 1.2 can be used. It features 400 shading units, 20 texture mapping units and 8 ROPs.

Further reading: Evergreen Series Instruction Set Architecture

Graphics Processor

Released: May 14th, 2011

GPU Name: Redwood

Generation: Evergreen

Architecture: TeraScale 2

Foundry: TSMC

Process Size: 40 nm

Transistors: 627 million

Density: 6.0M / mm²

Die Size: 104 mm²

Package: FCBGA-962

Graphics Features

DirectX: 11.2 (11_0)

OpenGL: 4.4

OpenCL: 1.2

Vulkan: N/A

Shader Model: 5.0

WDDM: 1.3

Compute: GFX4

DCE: 4.0

UVD: 2.3

Render Config

Shading Units: 400

TMUs: 20

ROPs: 8

Compute Units: 5

Z-Stencil: 40

L1 Cache: 8 KB per CU

L2 Cache: 256 KB

Max. TDP: 39 W

All TeraScale 2 GPUs

AMD GPU Architecture History

2023 CDNA 3.0
2022-2024 RDNA 3.0
2021 CDNA 2.0
2020 CDNA 1.0
2020-2023 RDNA 2.0
2019-2020 RDNA 1.0
2018-2022 GCN 5.1
2017-2020 GCN 5.0
2016-2020 GCN 4.0
2014-2019 GCN 3.0
2013-2017 GCN 2.0
2011-2020 GCN 1.0
2010-2013 TeraScale 3
2009-2015 TeraScale 2
2005-2013 TeraScale
2005-2007 Ultra-Threaded SE

Graphics cards using the AMD Redwood GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
AMD Radeon HD 7470A		1024 MB	400	20	8	775 MHz	800 MHz
AMD Radeon HD 6510	Redwood PRO	1024 MB	400	20	8	650 MHz	500 MHz
AMD Radeon HD 6390	Redwood PRO2	1024 MB	320	16	8	550 MHz	500 MHz
AMD Radeon HD 6610	Redwood PRO	1024 MB	400	20	8	650 MHz	800 MHz
AMD Radeon HD 8510 OEM	Redwood PRO	1024 MB	400	20	8	650 MHz	500 MHz
AMD Radeon HD 6530	Redwood PRO	1024 MB	400	20	8	650 MHz	600 MHz
AMD Radeon HD 7570 OEM	Redwood PRO	1024 MB	400	20	8	650 MHz	800 MHz
AMD Radeon HD 6490	Redwood LE	1024 MB	320	16	8	550 MHz	500 MHz