Radeon X1900 CrossFire Edition

Reference GPU

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At a Glance

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon X1900 CrossFire Edition
Architecture	Ultra-Threaded SE
Launch Date	2006-01-24
Core Specs
GPU Die	R580
Process Node	TSMC 90 nm
Transistor Count	0.38 billion
Die Size	352 mm²
TMUs	16
ROPs	16
Base Clock	625 MHz
Boost Clock	625 MHz
Pixel Fillrate	10 GP/s
Texture Fillrate	10 GT/s
Memory
Memory Size	512 MB
Memory Type	GDDR3
Memory Bus Width	256-bit
Memory Clock	725 MHz
Memory Bandwidth	46.4 GB/s
Board and Display
TDP / TBP	100 W
Recommended PSU	300 W
Interface	PCIe 1.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Dual-slot
Software
Shader Model	3.0
DirectX Support	DirectX 9.3
OpenGL Support	OpenGL 2.1

This GPU Wiki entry is being expanded and source-checked.

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Known issues pending source review.

SourcesPartial

Sources reviewed: 2026-06-23

This entry is still being source-checked.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

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