Radeon HD 5550

Reference GPU

TeraScale 2 Radeon HD 5000 Series Gaming Desktop GDDR5 2010

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At a Glance

Entry Type: Reference GPU
Architecture: TeraScale 2
Series: Radeon HD 5000 Series
GPU Die: Redwood
Launch Date: 2010-02-09
Stream Processors: 320
TMUs: 16
ROPs: 8
Memory: 512 MB GDDR5
Bus Width: 128-bit
TDP/TBP: 39 W
Rec. PSU: 200 W
Interface: PCIe 2.0 x16
Data Confidence: Partial

GPU Specs

What do these fields mean?Partial

Identity
Entry Type	Reference GPU
Official Name	ATI Radeon HD 5550
Architecture	TeraScale 2
Launch Date	2010-02-09
Core Specs
GPU Die	Redwood
Chip Variant / Package	FCBGA-962
Process Node	TSMC 40 nm
Transistor Count	0.63 billion
Die Size	104 mm²
Stream Processors	320
TMUs	16
ROPs	8
Base Clock	550 MHz
Boost Clock	550 MHz
Pixel Fillrate	4.4 GP/s
Texture Fillrate	8.8 GT/s
FP32 Throughput	0.35 TFLOPS
Memory
Memory Size	512 MB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	800 MHz
Memory Bandwidth	51.2 GB/s
L2 Cache	0.25 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	39 W
Recommended PSU	200 W
Interface	PCIe 2.0 x16
Display Outputs	1x DVI, 1x HDMI 1.3a, 1x VGA
Slot Width	Single-slot
Card Length	165 mm
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

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

Why It Mattered

This entry is currently a specification record. Historical notes will be added after source review.

Known Issues

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.

Independent reference sources

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