ATI Radeon HD 3870 Mac Edition

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Jun 2008. It features 0.666 billion transistors, 320 Rendering cores and 512MB GDDR4 memory, with 256KB L2 cache, theoretical performance of 497.3GFLOPS, with total power consumption of 106W.

Graphics Card

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Release Date

Jun 2008

Generation

Radeon R600

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

1126 MHz

Memory

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Memory Size

512MB

Memory Type

GDDR4

Memory Bus

256bit

Bandwidth

72.06GB/s

Render Config

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Compute Units

4

Shading Units

320

TMUs

16

ROPs

16

L2 Cache

256 KB

Theoretical Performance

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Pixel Rate

12.43 GPixel/s

Texture Rate

12.43 GTexel/s

FP32 (float)

497.3 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

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GPU Name

RV670

GPU Variant

RV670 XT

(215-0708005)

Architecture

TeraScale

Foundry

TSMC

Process Size

55 nm

Transistors

0.666 billion

Die Size

192 mm²

Board Design

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TDP

106W

Suggested PSU

300 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 (full)

4.0 (partial)

OpenCL

N/A

Vulkan

N/A

Shader Model

4.1

Rankings

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FP32 (float)

NVIDIA GeForce GT 545 OEM 1024 MB GDDR5

0.501 TFLOPS

AMD Radeon R7 240 2 GB DDR3

0.499 TFLOPS

AMD Radeon R7 240 OEM 2 GB DDR3

0.499 TFLOPS

ATI Radeon HD 3870 Mac Edition 512 MB GDDR4

0.497 TFLOPS

AMD FireStream 9170 2 GB GDDR3

0.497 TFLOPS

ATI FireGL V7700 512 MB GDDR4

0.497 TFLOPS

ATI Radeon HD 2950 XTX 512 MB GDDR4

0.497 TFLOPS

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