Radeon HD 6990M

Reference GPU

TeraScale 2 Radeon HD 6000 Series Gaming Desktop GDDR5 2011

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At a Glance

Entry Type: Reference GPU
Architecture: TeraScale 2
Series: Radeon HD 6000 Series
GPU Die: Blackcomb
Launch Date: 2011-07-12
Stream Processors: 1,120
TMUs: 56
ROPs: 32
Memory: 2 GB GDDR5
Bus Width: 256-bit
TDP/TBP: 100 W
Interface: MXM-B (3.0)
Data Confidence: Partial

GPU Specs

What do these fields mean?Partial

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6990M
Architecture	TeraScale 2
Launch Date	2011-07-12
Core Specs
GPU Die	Blackcomb
Chip Variant / Package	HFCBGA-1737
Process Node	TSMC 40 nm
Transistor Count	1.7 billion
Die Size	212 mm²
Stream Processors	1120
TMUs	56
ROPs	32
Base Clock	715 MHz
Boost Clock	715 MHz
Pixel Fillrate	22.88 GP/s
Texture Fillrate	40.04 GT/s
FP32 Throughput	1.6 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR5
Memory Bus Width	256-bit
Memory Clock	900 MHz
Memory Bandwidth	115.2 GB/s
L2 Cache	0.5 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	100 W
Interface	MXM-B (3.0)
Slot Width	MXM Module
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

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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

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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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