ATI RV620

RV620

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Die Shot

ATI's RV620 GPU uses the TeraScale architecture and is made using a 55 nm production process at TSMC. With a die size of 67 mm² and a transistor count of 181 million it is a very small chip. RV620 supports DirectX 10.1 (Feature Level 10_1). For GPU compute applications, OpenCL version N/A can be used. It features 40 shading units, 4 texture mapping units and 4 ROPs.

Further reading: R600 Series Instruction Set Architecture

Graphics Processor

Released: Dec 10th, 2007

GPU Name: RV620

Mobile Variant: M82 / M84

Codename: Koopa

Architecture: TeraScale

Foundry: TSMC

Process Size: 55 nm

Transistors: 181 million

Density: 2.7M / mm²

Die Size: 67 mm²

Package: FCBGA-632

Graphics Features

DirectX: 10.1 (10_1)

OpenGL: 3.3

OpenCL: N/A

Vulkan: N/A

Shader Model: 4.1

WDDM: 1.1

Compute: GFX3

DCE: 3.0

UVD: 1.0

Render Config

Shading Units: 40

TMUs: 4

ROPs: 4

Compute Units: 2

Vertex Cache: 32 KB

Texture Cache: 32 KB

Tex L1 Cache: 32 KB per 4 SPs

L2 Cache: 64 KB

Max. TDP: 50 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 RV620 GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
ATI Radeon HD 3450	RV620 LE	256 MB	40	4	4	600 MHz	500 MHz
ATI Radeon HD 3470	RV620 PRO	256 MB	40	4	4	800 MHz	950 MHz
ATI Radeon HD 3450 PCI	RV620 LE	512 MB	40	4	4	600 MHz	400 MHz
ATI Radeon HD 3450 AGP	RV620 LE	512 MB	40	4	4	600 MHz	500 MHz
ATI FirePro 2260 PCI		256 MB	40	4	4	500 MHz	500 MHz
ATI FireMV 2260		256 MB	40	4	4	500 MHz	500 MHz
ATI FirePro V3700	RV620 GL	256 MB	40	4	4	800 MHz	950 MHz
ATI FirePro 2450 Multi-View	RV620 PRO	256 MB	40	4	4	400 MHz	400 MHz
ATI FireMV 2260 PCIe x1		256 MB	40	4	4	500 MHz	500 MHz
ATI FirePro 2450 Multi-View PCIe x1	RC620 PRO	256 MB	40	4	4	400 MHz	400 MHz
ATI Radeon HD 4250	RV620 LE	512 MB	40	4	4	594 MHz	396 MHz
ATI Radeon HD 3550	RV620 PRO	512 MB	40	4	4	594 MHz	396 MHz
ATI Radeon HD 3570	RV620 PRO	512 MB	40	4	4	796 MHz	495 MHz
ATI Radeon HD 3450 X2	RV620 LE	512 MB	40	4	4	600 MHz	500 MHz