ATI Redwood

Redwood

Block Diagram

ATI'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

GPU Name: Redwood

Architecture: TeraScale 2

Foundry: TSMC

Process Size: 40 nm

Transistors: 627 million

Density: 6.0M / mm²

Die Size: 104 mm²

Released: Jan 14th, 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: 8 KB per CU

L2 Cache: 256 KB

Max. TDP: 69 W

All TeraScale 2 GPUs

ATI GPU Architecture History

1986-1992 Wonder
1992-1997 Mach
1996 Rage 2
1997-1999 Rage 3
1998-1999 Rage 4
1999-2001 IBM
2000-2007 Rage 6
2000 Rage 5
2001-2006 Rage 7
2002-2007 Rage 8
2003-2008 Rage 9
2004-2008 R400
2005-2007 R500
2005-2013 TeraScale
2009-2015 TeraScale 2

Graphics cards using the ATI Redwood GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
ATI Radeon HD 5570	Redwood PRO	1024 MB	400	20	8	650 MHz	800 MHz
ATI Radeon HD 5670	Redwood XT	1024 MB	400	20	8	775 MHz	1000 MHz
ATI FirePro V3800	Redwood PRO GL	512 MB	400	20	8	650 MHz	900 MHz
ATI FirePro V4800	Redwood XT GL	1024 MB	400	20	8	775 MHz	900 MHz
ATI Radeon HD 5550	Redwood PRO2	512 MB	320	16	8	550 MHz	800 MHz
ATI Radeon HD 5630	Redwood LE	1024 MB	320	16	8	650 MHz	390 MHz
ATI Radeon HD 5730	Redwood XT	1024 MB	400	20	8	775 MHz	1000 MHz
ATI Radeon HD 5690	Redwood XT	1024 MB	400	20	8	775 MHz	1000 MHz
ATI Radeon HD 5570 OEM	Redwood LE	1024 MB	320	16	8	550 MHz	667 MHz