ATI RV670

RV670

RV670 PRO

SIC66SIC66

Die Shot

Block Diagram

ATI's RV670 GPU uses the TeraScale architecture and is made using a 55 nm production process at TSMC. With a die size of 192 mm² and a transistor count of 666 million it is a small chip. RV670 supports DirectX 10.1 (Feature Level 10_1). For GPU compute applications, OpenCL version N/A can be used. It features 320 shading units, 16 texture mapping units and 16 ROPs.

Further reading: R600 Series Instruction Set Architecture

Graphics Processor

Released: Nov 19th, 2007

GPU Name: RV670

Mobile Variant: M88

Codename: Boom

Architecture: TeraScale

Foundry: TSMC

Process Size: 55 nm

Transistors: 666 million

Density: 3.5M / mm²

Die Size: 192 mm²

Package: FCBGA-1281

Graphics Features

DirectX: 10.1 (10_1)

OpenGL: 3.3 (full)
4.0 (partial)

OpenCL: N/A

Vulkan: N/A

Shader Model: 4.1

WDDM: 1.1

Compute: GFX3

DCE: 2.0

UVD: 1.0

Render Config

Shading Units: 320

TMUs: 16

ROPs: 16

Compute Units: 4

Z-Stencil: 32

Vertex Cache: 32 KB

Texture Cache: 32 KB

Tex L1 Cache: 32 KB per 4 SPs

L2 Cache: 256 KB

Max. TDP: 145 W

All TeraScale 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 RV670 GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
ATI Radeon HD 3870	RV670 XT	512 MB	320	16	16	777 MHz	1126 MHz
ATI Radeon HD 3830	RV670 PRO	256 MB	320	16	16	668 MHz	828 MHz
ATI Radeon HD 3850 X2	RV670 PRO	512 MB	320	16	16	669 MHz	828 MHz
ATI Radeon HD 3690	RV670 PRO	256 MB	320	16	16	670 MHz	830 MHz
ATI Radeon HD 3850 AGP	RV670 PRO	512 MB	320	16	16	668 MHz	828 MHz
ATI Radeon HD 3850	RV670 PRO	512 MB	320	16	16	668 MHz	830 MHz
ATI FireGL V7700	RV670 GL	512 MB	320	16	16	777 MHz	1126 MHz
ATI Radeon HD 3850 X3	RV670 PRO	512 MB	320	16	16	669 MHz	850 MHz
ATI Radeon HD 4730 OEM		1024 MB	320	16	16	669 MHz	396 MHz
ATI Radeon HD 3870 Mac Edition	RV670 XT	512 MB	320	16	16	777 MHz	1126 MHz
ATI Radeon HD 2950 PRO	RV670 PRO ES	256 MB	320	16	16	600 MHz	600 MHz
ATI Radeon HD 2950 XTX	RV670 XTX	512 MB	320	16	16	777 MHz	1126 MHz
ATI Radeon HD 3870 AGP	RV670 XT	512 MB	320	16	16	777 MHz	1126 MHz

RV670 GPU Notes

Mobile Variant: M88
Codename: Boom
Graphics/Compute: GFX3
Display Core Engine: 2.0
Unified Video Decoder: 1.0

RV670 Chip Numbers:
RV670 XT (215-0708017)
RV670 XTX ES (215-0708001)

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