Radeon HD 4580

TeraScale Radeon HD 4000 Series Gaming Desktop GDDR3 2011

Key Metrics

Architecture: TeraScale
Launch Date: 2011-11-20
Stream Processors: 120
Memory: 512 MB GDDR3
Memory Bandwidth: 22.18 GB/s
TDP/TBP: 65 W
Interface: PCIe 2.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon HD 4580
Architecture	TeraScale
Launch Date	2011-11-20
Core Specs
GPU Die	RV635
Chip Variant / Package	FCBGA-880
Process Node	TSMC 55 nm
Transistor Count	0.38 billion
Die Size	135 mm²
Stream Processors	120
TMUs	8
ROPs	4
Base Clock	796 MHz
Boost Clock	796 MHz
Pixel Fillrate	3.184 GP/s
Texture Fillrate	6.368 GT/s
FP32 Throughput	0.19 TFLOPS
Memory
Memory Size	512 MB
Memory Type	GDDR3
Memory Bus Width	128-bit
Memory Clock	693 MHz
Memory Bandwidth	22.18 GB/s
L2 Cache	0.128 MB
Board and Display
TDP / TBP	65 W
Recommended PSU	250 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x S-Video
Slot Width	Single-slot
Card Length	190 mm
Software
Shader Model	4.1
DirectX Support	DirectX 10.1
OpenGL Support	OpenGL 3.3

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

Sources

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.

Independent reference sources

TechPowerUp GPU SpecsOpen source

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