Radeon HD 6770 Green Edition

Key Metrics

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Identity
Entry Type	Reference GPU
Official Name	AMD Radeon HD 6770 Green Edition
Architecture	TeraScale 2
Launch Date	2013-04-19
Core Specs
GPU Die	Juniper
Chip Variant / Package	FCBGA-962
Process Node	TSMC 40 nm
Transistor Count	1.04 billion
Die Size	166 mm²
Stream Processors	720
TMUs	36
ROPs	16
Base Clock	700 MHz
Boost Clock	700 MHz
Pixel Fillrate	11.2 GP/s
Texture Fillrate	25.2 GT/s
FP32 Throughput	1.01 TFLOPS
Memory
Memory Size	2 GB
Memory Type	GDDR3
Memory Bus Width	128-bit
Memory Clock	667 MHz
Memory Bandwidth	21.34 GB/s
L2 Cache	0.25 MB
L1 Cache	8 KB
Board and Display
TDP / TBP	86 W
Recommended PSU	250 W
Interface	PCIe 2.0 x16
Display Outputs	2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1
Slot Width	Dual-slot
Card Length	170 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.

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