AMD Radeon HD 6990

This is a GPU manufactured with TSMC 40nm process, based on AMD TeraScale 3 architecture and released on Mar 2011. It features 2.64 billion transistors, 1536 Rendering cores and 2GB GDDR5 memory, with 512KB L2 cache, theoretical performance of 2.550TFLOPS, with total power consumption of 375W.

Graphics Card

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Release Date

Mar 2011

Generation

Northern Islands

Type

Desktop

Bus Interface

PCIe 2.0 x16

Clock Speeds

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Memory Clock

1250MHz

Memory

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Memory Size

2GB

Memory Type

GDDR5

Memory Bus

256bit

Bandwidth

160.0 GB/s

Render Config

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Compute Units

24

Shading Units

1536

TMUs

96

ROPs

32

L1 Cache

8 KB (per CU)

L2 Cache

512KB

Theoretical Performance

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Pixel Rate

26.56 GPixel/s

Texture Rate

79.68 GTexel/s

FP32 (float)

2.550 TFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

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GPU Name

Antilles

GPU Variant

Antilles XT

(215-0807027)

Architecture

TeraScale 3

Foundry

TSMC

Process Size

40 nm

Transistors

2,640 million

Die Size

389mm²

Board Design

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TDP

375W

Suggested PSU

750W

Outputs

1x DVI
4x mini-DisplayPort 1.2

Power Connectors

2x 8-pin

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)

AMD Radeon HD 6990 2 GB GDDR5

2.55 TFLOPS

Intel Iris Xe MAX Graphics 4 GB LPDDR4X

2.534 TFLOPS

NVIDIA T600 Mobile 4 GB GDDR6

2.527 TFLOPS

NVIDIA T1000 4 GB GDDR6

2.5 TFLOPS

NVIDIA T1000 8 GB 8 GB GDDR6

2.5 TFLOPS

NVIDIA T600 Max-Q 4 GB GDDR6

2.5 TFLOPS

AMD Radeon R9 370 2 GB GDDR5

2.496 TFLOPS

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