ATI Mobility Radeon HD 4850 Mac Edition

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Aug 2009. It features 0.956 billion transistors, 800 Rendering cores and 512MB GDDR3 memory, with 256KB L2 cache, theoretical performance of 804.8GFLOPS.

Graphics Card

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Release Date

Aug 2009

Generation

M9x

Type

Mobile

Bus Interface

MXM-B (3.0)

Clock Speeds

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Memory Clock

850 MHz

Memory

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Memory Size

512MB

Memory Type

GDDR3

Memory Bus

256bit

Bandwidth

54.40GB/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

8.048 GPixel/s

Texture Rate

20.12 GTexel/s

FP32 (float)

804.8 GFLOPS

FP64 (double)

161.0 GFLOPS

Graphics Processor

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GPU Name

M98

GPU Variant

M98 L2

(216-0732019)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

0.956 billion

Die Size

256 mm²

Board Design

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TDP

Unknown

Outputs

Portable Device Dependent

Power Connectors

None

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)

NVIDIA GeForce GTX 670M 1536 MB GDDR5

0.804 TFLOPS

ATI Mobility Radeon HD 4850 1024 MB GDDR3

0.804 TFLOPS

ATI Mobility Radeon HD 4850 Mac Edition 512 MB GDDR3

0.804 TFLOPS

NVIDIA GeForce GT 640 Rev. 2 1024 MB GDDR5

0.803 TFLOPS

NVIDIA Quadro M520 Mobile 2 GB GDDR5

0.8 TFLOPS

AMD Radeon E8860 2 GB GDDR5

0.8 TFLOPS

AMD Radeon R9 M265X 2 GB GDDR5

0.8 TFLOPS

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