ATI Radeon HD 4890

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Apr 2009. It features 0.959 billion transistors, 800 Rendering cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 1360GFLOPS, with total power consumption of 190W.

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

975MHz

Memory

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Memory Size

1024MB

Memory Type

GDDR5

Memory Bus

256bit

Bandwidth

124.8 GB/s

Render Config

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Compute Units

10

Shading Units

800

TMUs

40

ROPs

16

L1 Cache

16 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

FP64 (double)

272.0 GFLOPS

Graphics Processor

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GPU Name

RV790

GPU Variant

RV790 XT

(215-0758016)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

959 million

Die Size

282mm²

Board Design

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TDP

190W

Suggested PSU

450W

Outputs

2x DVI
1x S-Video

Power Connectors

2x 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 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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