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ATI RV670

Default
RV670
Die Shot
SIC66SIC66
Die Shot
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. It features 320 shading units, 16 texture mapping units and 16 ROPs.

Graphics Processor

GPU Name
RV670
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
666 million
Density
3.5M / mm²
Die Size
192 mm²
Released
Nov 19th, 2007

Graphics Features

DirectX
10.1
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Shader Model
4.1

Render Config

Shading Units
320
TMUs
16
ROPs
16
Max. TDP
145 W

All TeraScale GPUs

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 16 825 MHz 1200 MHz
ATI Radeon HD 3870 AGP RV670 XT 512 MB 320 16 16 777 MHz 1126 MHz

RV670 GPU Notes

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

RV670 Chip Numbers:
RV670 XT (215-0708017)