ATI Radeon X1800 XT vs ATI Radeon X800 PRO

Table of Contents

Graphics Processor

GPU model R520 R423
GPU variant R520 XT (215RFNBKA15FG) R423 PRO
Architecture R500 R400
Foundry TSMC TSMC
Manufacturing process 90 nm 130 nm
Number of transistors 321 million 160 million
Die size 288 mm² 289 mm²

Graphics Card

Release date Oct 1st, 2005 May 1st, 2004
Generation Radeon R500 PCIe Radeon R400 PCIe
Production End-of-life End-of-life
Launch price 549 USD
Interface PCIe 1.0 x16 PCIe 1.0 x16
Reviews 76 in our database 226 in our database
Predecessor Radeon R400 PCIe Radeon R300
Successor Radeon R600 Radeon R500 PCIe

Clocks

GPU clock 600 MHz 475 MHz
Memory clock 700 MHz 1400 Mbps effective 450 MHz 900 Mbps effective

Memory Configuration

Memory size 512 MB 256 MB
Memory type GDDR3 GDDR3
Memory bus width 256 bit 256 bit
Bandwidth 44.80 GB/s 28.80 GB/s

Render Configuration

Pixel shaders 16 12
Vertex shaders 8 6
TMUs 16 12
ROPs 16 12

Performance

Pixel rate 9.600 GPixel/s 5.700 GPixel/s
Vertex rate 1.200 GVertices/s 712.5 MVertices/s
Texture rate 9.600 GTexel/s 5.700 GTexel/s

Dimensions & Outputs

Slot width Dual-slot Single-slot
TDP 113 W 48 W
Suggested PSU 300 W 200 W
Outputs 2x DVI1x S-Video 1x DVI1x VGA1x S-Video
Power connectors 1x 6-pin 1x Molex
Board number A520

API Support & Features

DirectX 9.0c (9_3) 9.0b (9_2)
OpenGL 2.1 2.1
OpenCL
Vulkan
Shader model 3.0
Pixel shader 2.0b
Vertex shader 2.0b

Other Features

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