Radeon HD 6790

TeraScale 2 Radeon HD 6000 Series Gaming Desktop GDDR5 2011

Key Metrics

Architecture: TeraScale 2
Launch Date: 2011-04-04
Stream Processors: 800
Memory: 1 GB GDDR5
Memory Bandwidth: 134.4 GB/s
TDP/TBP: 150 W
Interface: PCIe 2.0 x16

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GPU Specs

What do these fields mean?

Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6790
Architecture	TeraScale 2
Launch Date	2011-04-04
Core Specs
GPU Die	Barts
Chip Variant / Package	HFCBGA-1737
Process Node	TSMC 40 nm
Transistor Count	1.7 billion
Die Size	255 mm²
Stream Processors	800
TMUs	40
ROPs	16
Base Clock	840 MHz
Boost Clock	840 MHz
Pixel Fillrate	13.44 GP/s
Texture Fillrate	33.6 GT/s
FP32 Throughput	1.34 TFLOPS
Memory
Memory Size	1 GB
Memory Type	GDDR5
Memory Bus Width	256-bit
Memory Clock	1,050 MHz
Memory Bandwidth	134.4 GB/s
L2 Cache	0.5 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	150 W
Recommended PSU	450 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x HDMI 1.3a, 1x DisplayPort 1.1
Slot Width	Dual-slot
Card Length	198 mm
Software
Shader Model	5.0
DirectX Support	DirectX 11.0
OpenGL Support	OpenGL 4.4
OpenCL Support	OpenCL 1.2

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

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