ATI Radeon HD 4850 X2

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Nov 2008. It features 0.956 billion transistors, 800 Rendering cores and 512MB GDDR3 memory, with 256KB L2 cache, theoretical performance of 1000GFLOPS, with total power consumption of 250W.

Graphics Card

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Release Date

Nov 2008

Generation

Radeon R700

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

995 MHz

Memory

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Memory Size

512MB

Memory Type

GDDR3

Memory Bus

256bit

Bandwidth

63.68GB/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

256 KB

Theoretical Performance

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Pixel Rate

10.00 GPixel/s

Texture Rate

25.00 GTexel/s

FP32 (float)

1000 GFLOPS

FP64 (double)

200.0 GFLOPS

Graphics Processor

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GPU Name

R700

GPU Variant

R700 PRO

(215-0669065)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

0.956 billion

Die Size

256 mm²

Board Design

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TDP

250W

Suggested PSU

600 W

Outputs

4x DVI
1x S-Video

Power Connectors

1x 6-pin + 1x 8-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)

ATI Mobility Radeon HD 5850 Mac Edition 1024 MB GDDR5

1.005 TFLOPS

NVIDIA Quadro M620 Mobile 2 GB GDDR5

1 TFLOPS

ATI FirePro V7770 1024 MB GDDR4

1 TFLOPS

AMD FireStream 9250 1024 MB GDDR3

1 TFLOPS

ATI Radeon HD 4850 512 MB GDDR3

1 TFLOPS

ATI Radeon HD 4850 X2 512 MB GDDR3

1 TFLOPS

AMD FirePro S4000X 2 GB GDDR5

0.992 TFLOPS

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