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AMD Radeon HD 6770 Green Edition

AMD Radeon HD 6770 Green Edition Image AMD Juniper Image
The Radeon HD 6770 Green Edition is a graphics card by AMD, launched in April 2013. Built on the 40 nm process, and based on the Juniper graphics processor, in its Juniper PRO variant, the card supports DirectX 11.0. The Juniper graphics processor is an average sized chip with a die area of 166 mm² and 1,040 million transistors. Unlike the fully unlocked Radeon HD 6770, which uses the same GPU but has all 800 shaders enabled, AMD has disabled some shading units on the Radeon HD 6770 Green Edition to reach the product's target shader count. It features 720 shading units, 36 texture mapping units and 16 ROPs. AMD has placed 2,048 MB GDDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 700 MHz, memory is running at 667 MHz.
We recommend the AMD Radeon HD 6770 Green Edition for gaming with highest details at resolutions up to, and including, 1280x720.
Being a dual-slot card, its power draw is rated at 86 W maximum. Display outputs include: 1x HDMI, 2x mini-DisplayPort, 2x DVI. Radeon HD 6770 Green Edition is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 170 mm in length, and features a dual-slot cooling solution.

Graphics Processor

GPU Name: Juniper
GPU Variant: Juniper PRO
Architecture: TeraScale 2
Process Size: 40 nm
Transistors: 1,040 million
Die Size: 166 mm²

Graphics Card

Released: Apr 19th, 2013
Production Status: Active
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 700 MHz
Memory Clock: 667 MHz
1334 MHz effective


Memory Size: 2048 MB
Memory Type: GDDR3
Memory Bus: 128 bit
Bandwidth: 21.34 GB/s

Render Config

Shading Units: 720
TMUs: 36
ROPs: 16
Compute Units: 9
Pixel Rate: 11.20 GPixel/s
Texture Rate: 25.20 GTexel/s
Floating-point performance: 1,008.0 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 6.7 inches
170 mm
TDP: 86 W
Outputs: 1x HDMI
2x mini-DisplayPort
2x DVI

Graphics Features

DirectX: 11.0
OpenGL: 4.2
OpenCL: 1.2
Shader Model: 5.0


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Card Notes

HD 6750 Rebrand

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 6770 Formula II Green 700 MHz 667 MHz Single-slot, 1x DVI 1x VGA 1x HDMI