AMD Radeon HD 6770: GPU Specs & Benchmarks

The Radeon HD 6770 is a graphics card by AMD, built on the 40 nm process and based on the Juniper graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Juniper

Model number

Juniper XT
(215-0754013)

Architecture

TeraScale 2

Foundry

TSMC

Process Size

40 nm

Transistors

1,040 million

Die Size

166 mm²

Graphics Card

Release Date

Jan 21st, 2011

Family

Northern Islands
(HD 6700)

Production

End-of-life

Launch Price

129 USD

Predecessor

Evergreen

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

1024 MB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

76.80 GB/s

Performance

Pixel fillrate

13.60 GPixel/s

Texture fillrate

34.00 GTexel/s

FP32 (float) performance

1,360 GFLOPS

Clock Speeds

Memory Clock

1200 MHz
4.8 Gbps effective

GPU Clock

850 MHz

Render Config

Shading Units

800

TMUs

40

ROPs

16

Compute Units

10

L1 Cache

8 KB (per CU)

L2 Cache

256 KB

Board Design

Slot Width

Dual-slot

Length

198 mm
7.8 inches

Thermal design power (TDP)

108 W

Suggested PSU

300 W

Display Connectors

2x DVI
1x HDMI
2x mini-DisplayPort

Power Connectors

1x 6-pin

Board Number

C010

API support

DirectX

11.2 (11_0)

OpenGL

4.4

OpenCL

1.2

Vulkan

N/A

Shader Model

5.0