AMD Radeon HD 6770

This is a GPU manufactured with TSMC 40nm process, based on AMD TeraScale 2 architecture and released on Jan 2011. It features 1.04 billion transistors, 800 Rendering cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 1360GFLOPS, with total power consumption of 108W.

Graphics Card

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Release Date

Jan 2011

Generation

Northern Islands

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

1200MHz

Memory

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Memory Size

1024MB

Memory Type

GDDR5

Memory Bus

128bit

Bandwidth

76.80 GB/s

Render Config

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Compute Units

10

Shading Units

800

TMUs

40

ROPs

16

L1 Cache

8 KB (per CU)

L2 Cache

256KB

Theoretical Performance

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Pixel Rate

13.60 GPixel/s

Texture Rate

34.00 GTexel/s

FP32 (float)

1360 GFLOPS

Graphics Processor

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GPU Name

Juniper

GPU Variant

Juniper XT

(215-0754013)

Architecture

TeraScale 2

Foundry

TSMC

Process Size

40 nm

Transistors

1,040 million

Die Size

166mm²

Board Design

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TDP

108W

Suggested PSU

300W

Outputs

2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1

Power Connectors

1x 6-pin

Graphics Features

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DirectX

11.2 (11_0)

OpenGL

4.4

OpenCL

1.2

Vulkan

N/A

Shader Model

5.0

Rankings

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FP32 (float)

AMD Radeon 550X 640SP 4 GB GDDR5

1.371 TFLOPS

AMD Radeon RX 550X 640SP 2 GB GDDR5

1.371 TFLOPS

AMD Radeon RX 550 640SP 2 GB GDDR5

1.371 TFLOPS

AMD Radeon HD 6770 1024 MB GDDR5

1.36 TFLOPS

ATI Radeon HD 5770 Mac Edition 1024 MB GDDR5

1.36 TFLOPS

ATI Radeon HD 5770 X2 1024 MB GDDR5

1.36 TFLOPS

ATI Radeon HD 4890 1024 MB GDDR5

1.36 TFLOPS

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