Radeon HD 6670

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: Turks
Launch Date: 2011-04-19
Stream Processors: 480
TMUs: 24
ROPs: 8
Memory: 1 GB GDDR5
Bus Width: 128-bit
TDP/TBP: 66 W
Rec. PSU: 250 W
Interface: PCIe 2.0 x16
Data Confidence: Partial

GPU Specs

What do these fields mean?Partial

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6670
Architecture	TeraScale 2
Launch Date	2011-04-19
Core Specs
GPU Die	Turks
Chip Variant / Package	FCBGA-962
Process Node	TSMC 40 nm
Transistor Count	0.72 billion
Die Size	118 mm²
Stream Processors	480
TMUs	24
ROPs	8
Base Clock	800 MHz
Boost Clock	800 MHz
Pixel Fillrate	6.4 GP/s
Texture Fillrate	19.2 GT/s
FP32 Throughput	0.77 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	128-bit
Memory Clock	1,000 MHz
Memory Bandwidth	64 GB/s
L2 Cache	0.25 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	66 W
Recommended PSU	250 W
Interface	PCIe 2.0 x16
Display Outputs	1x DVI, 1x HDMI 1.3a, 1x VGA
Slot Width	Single-slot
Card Length	168 mm
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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