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ATI Radeon X800 PRO

ATI Radeon X800 PRO Image ATI R420 Image

Graphics Processor

GPU Name: R420
Process Size: 130 nm
Transistors: 160 million
Die Size: 281 mm²

Graphics Card

Released: May 1st, 2004
Production Status: End-of-life
Bus Interface: AGP 8x

Clock Speeds

GPU Clock: 475 MHz
Memory Clock: 450 MHz
900 MHz effective


Memory Size: 256 MB
Memory Type: GDDR3
Memory Bus: 256 bit
Bandwidth: 28.8 GB/s

Render Config

Pixel Shaders: 12
Vertex Shaders: 6
TMUs: 12
ROPs: 12
Pixel Rate: 5.70 GPixel/s
Vertex Rate: 0.713 GVertices/s
Texture Rate: 5.70 GTexel/s

Reference Board

Slot Width: Single-slot
TDP: 48 W
Outputs: 1x DVI
1x VGA
1x S-Video

Graphics Features

DirectX: 9.0b
OpenGL: 2.0
OpenCL: n/a
Pixel Shader: 2.0b
Vertex Shader: 2.0b


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Our review database contains 226 reviews of the Radeon X800 PRO.

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
Sapphire TOXIC X800 PRO VIVO 475 MHz 520 MHz