ATI Radeon HD 4770

This is a GPU manufactured with TSMC 40nm process, based on ATI TeraScale architecture and released on Apr 2009. It features 0.826 billion transistors, 640 Rendering cores and 512MB GDDR5 memory, with 128KB L2 cache, theoretical performance of 960.0GFLOPS, with total power consumption of 80W.

Graphics Card

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Release Date

Apr 2009

Generation

Radeon R700

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

800 MHz

Memory

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Memory Size

512MB

Memory Type

GDDR5

Memory Bus

128bit

Bandwidth

51.20GB/s

Render Config

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Compute Units

8

Shading Units

640

TMUs

32

ROPs

16

L1 Cache

16 KB (per CU)

L2 Cache

128 KB

Theoretical Performance

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Pixel Rate

12.00 GPixel/s

Texture Rate

24.00 GTexel/s

FP32 (float)

960.0 GFLOPS

FP64 (double)

192.0 GFLOPS

Graphics Processor

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GPU Name

RV740

GPU Variant

RV740 XT

(215-0727019)

Architecture

TeraScale

Foundry

TSMC

Process Size

40 nm

Transistors

0.826 billion

Die Size

137 mm²

Board Design

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TDP

80W

Suggested PSU

250 W

Outputs

2x DVI
1x S-Video

Power Connectors

1x 6-pin

Graphics Features

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DirectX

10.1 (10_1)

OpenGL

3.3

OpenCL

1.1

Vulkan

N/A

Shader Model

4.1

Rankings

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FP32 (float)

AMD Radeon Vega 6 Embedded System Shared System Shared

0.983 TFLOPS

ATI Radeon HD 5670 640SP Edition 512 MB GDDR5

0.96 TFLOPS

ATI Radeon HD 4730 512 MB GDDR5

0.96 TFLOPS

ATI Radeon HD 4770 512 MB GDDR5

0.96 TFLOPS

NVIDIA GeForce 940MX 2 GB DDR3

0.954 TFLOPS

AMD Radeon R9 255 OEM 2 GB GDDR5

0.952 TFLOPS

NVIDIA GeForce GTX 675M 2 GB GDDR5

0.952 TFLOPS

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