AMD RV770

RV770

Die Shot

Block Diagram

AMD's RV770 GPU uses the TeraScale architecture and is made using a 55 nm production process at TSMC. With a die size of 256 mm² and a transistor count of 956 million it is a medium-sized chip. RV770 supports DirectX 10.1 (Feature Level 10_1). For GPU compute applications, OpenCL version 1.1 can be used. It features 800 shading units, 40 texture mapping units and 16 ROPs.

Further reading: R700 Series Instruction Set Architecture

Graphics Processor

Released: Jun 16th, 2008

GPU Name: RV770

Codename: Wekiva

Mobile Variant: M98

Architecture: TeraScale

Foundry: TSMC

Process Size: 55 nm

Transistors: 956 million

Density: 3.7M / mm²

Die Size: 256 mm²

Package: HFCBGA-1492

Graphics Features

DirectX: 10.1 (10_1)

OpenGL: 3.3

OpenCL: 1.1

Vulkan: N/A

Shader Model: 4.1

WDDM: 1.1

Compute: GFX3

DCE: 3.1

UVD: 2.0

Render Config

Shading Units: 800

TMUs: 40

ROPs: 16

Compute Units: 10

Z-Stencil: 64

L1 Cache: 16 KB per CU

L2 Cache: 256 KB

Max. TDP: 160 W

All TeraScale GPUs

AMD GPU Architecture History

2024 RDNA 4.0
2024 RDNA 3.5
2023-2024 CDNA 3.0
2022-2024 RDNA 3.0
2021 CDNA 2.0
2020 CDNA 1.0
2020-2024 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 RV770 GPU

Name	Chip	Memory	Shaders	TMUs	ROPs	GPU Clock	Memory Clock
AMD FireStream 9250	RV770 PRO	1024 MB	800	40	16	625 MHz	993 MHz
AMD FireStream 9270	RV770 XT	2 GB	800	40	16	750 MHz	900 MHz

RV770 GPU Notes

Mobile Variant: M98
Codename: Wekiva
Graphics/Compute: GFX3
Display Core Engine: 3.1
Unified Video Decoder: 2.0

Latest Drivers:
Windows XP / 8:
Catalyst Software Suite 13.1 / 13.4 Beta

Windows Vista / 7:
Catalyst Software Suite 13.9

New Forum Posts

17:13 by JustBuyLianLi
Is dual tower always better? (43)
17:07 by freeagent
What Was Your First... (Gaming Related Things) (23)
17:03 by remixedcat
TPU's Nostalgic Hardware Club (19477)
16:57 by canucker
DTS DCH Driver for Realtek HDA [DTS:X APO4 + DTS Interactive] (2045)
16:41 by Ayoub_MaRoC
Different low reading (29)
16:40 by agent_x007
whats going on with core 2 quad and windows? (52)
16:25 by ir_cow
DDR5 Trident Z Royal (29)
16:03 by dragontamer5788
Anime Nation (12898)
16:02 by Toddson
Help flashing Gigabyte AMD Radeon RX6600 eagle (24)
15:54 by stinger608
A Memorial to Kreij - Gone 9 years but never forgotten- check out the latest build(s) (3279)