AMD Radeon HD 6870 X2

This is a GPU manufactured with TSMC 40nm process, based on AMD TeraScale 2 architecture and released on Jul 2011. It features 1.7 billion transistors, 1120 Rendering cores and 1024MB GDDR5 memory, with 512KB L2 cache, theoretical performance of 2.016TFLOPS, with total power consumption of 300W.

Graphics Card

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Release Date

Jul 2011

Generation

Northern Islands

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

1050MHz

Memory

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Memory Size

1024MB

Memory Type

GDDR5

Memory Bus

256bit

Bandwidth

134.4 GB/s

Render Config

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Compute Units

14

Shading Units

1120

TMUs

56

ROPs

32

L1 Cache

8 KB (per CU)

L2 Cache

512KB

Theoretical Performance

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Pixel Rate

28.80 GPixel/s

Texture Rate

50.40 GTexel/s

FP32 (float)

2.016 TFLOPS

Graphics Processor

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GPU Name

Barts

GPU Variant

Barts XT

(215-0798000)

Architecture

TeraScale 2

Foundry

TSMC

Process Size

40 nm

Transistors

1,700 million

Die Size

255mm²

Board Design

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TDP

300W

Suggested PSU

700W

Outputs

2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1

Graphics Features

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DirectX

11.2 (11_0)

OpenGL

4.4

OpenCL

1.2

Vulkan

N/A

Shader Model

5.0

Rankings

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FP32 (float)

NVIDIA GeForce GTX 680M 4 GB GDDR5

2.038 TFLOPS

AMD Radeon HD 6870 X2 1024 MB GDDR5

2.016 TFLOPS

ATI FirePro V7800P 2 GB GDDR5

2.016 TFLOPS

AMD FireStream 9350 2 GB GDDR5

2.016 TFLOPS

AMD Radeon HD 6870 1024 MB GDDR5

2.016 TFLOPS

ATI FirePro V7800 2 GB GDDR5

2.016 TFLOPS

AMD Radeon R7 370 2 GB GDDR5

1.997 TFLOPS

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