ATI Cedar

Cedar

Cedar PRO

Block Diagram

ATI's Cedar GPU uses the TeraScale 2 architecture and is made using a 40 nm production process at TSMC. With a die size of 59 mm² and a transistor count of 292 million it is a very small chip. Cedar supports DirectX 11.2 (Feature Level 11_0). For GPU compute applications, OpenCL version 1.2 can be used. It features 80 shading units, 8 texture mapping units and 4 ROPs.

Further reading: Evergreen Series Instruction Set Architecture

Graphics Processor

Released: Feb 4th, 2010

GPU Name: Cedar

Mobile Variant: Park / Robson

Generation: Evergreen

Architecture: TeraScale 2

Foundry: TSMC

Process Size: 40 nm

Transistors: 292 million

Density: 4.9M / mm²

Die Size: 59 mm²

Package: FCBGA-631

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: 80

TMUs: 8

ROPs: 4

Compute Units: 2

Z-Stencil: 4

L1 Cache: 8 KB per CU

L2 Cache: 128 KB

Max. TDP: 19 W

All TeraScale 2 GPUs

ATI GPU Architecture History

2009-2015 TeraScale 2
2005-2013 TeraScale
2005-2007 Ultra-Threaded SE
2004-2008 R400
2002-2008 R300
2001-2006 Rage 7
2000 Rage 5
2000-2007 Rage 6
1999-2001 IBM
1998-1999 Rage 4
1997 Rage 2
1997-1999 Rage 3
1992-1997 Mach
1986-1992 Wonder

Graphics cards using the ATI Cedar GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
ATI Radeon HD 5450	Cedar PRO	512 MB	80	8	4	650 MHz	400 MHz
ATI Radeon HD 5450 PCIe x1	Cedar PRO	512 MB	80	8	4	650 MHz	500 MHz
ATI FirePro 2460 Multi-View	Cedar GL	512 MB	80	8	4	500 MHz	500 MHz
ATI Radeon HD 5450 PCI	Cedar PRO	512 MB	80	8	4	650 MHz	333 MHz
ATI Radeon HD 5490	Cedar XTX	1024 MB	80	8	4	650 MHz	500 MHz
ATI Radeon HD 5470	Cedar PRO	512 MB	80	8	4	650 MHz	400 MHz
ATI Radeon HD 5530	Cedar XTX	1024 MB	80	8	4	650 MHz	600 MHz