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PowerColor HD 6990 LCS

PowerColor HD 6990 LCS Image AMD Antilles Image

Graphics Processor

GPU Name: Antilles
GPU Variant: Antilles XT
Process Size: 40 nm
Transistors: 2,640 million
Die Size: 389 mm²

Graphics Card

Released: Mar 8th, 2011
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16
PowerColor Part #: AX6990-4GBD5-WM4D

Clock Speeds

GPU Clock: 830 MHz
880 MHz (+6%)
Memory Clock: 1250 MHz
5000 MHz effective

Memory

Memory Size: 2048 MB x2
Memory Type: GDDR5
Memory Bus: 256 bit x2
Bandwidth: 160 GB/s x2

Render Config

Shading Units: 1536 x2
TMUs: 96 x2
ROPs: 32 x2
Compute Units: 24 x2
Pixel Rate: 26.6 GPixel/s x2
28.2 GPixel/s x2
Texture Rate: 79.7 GTexel/s x2
84.5 GTexel/s x2
Floating-point performance: 2,550 GFLOPS x2
2,703 GFLOPS x2

Board Design

Slot Width: Dual-slot
Single-slot
Length: 11.61 inches
12 inches
295 mm
305 mm
TDP: 375 W
Outputs: 1x DVI
4x mini-DisplayPort
Power Connectors: 2x 8-pin

Graphics Features

DirectX: 11.0
OpenGL: 4.2
OpenCL: 1.1
Shader Model: 5.0

VGA BIOS

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GPU-Z Validation

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Reviews

Our review database contains 47 reviews of the HD 6990 LCS.

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 6990 830 MHz 1250 MHz 11.6 inches
Club 3D HD 6990 830 MHz 1250 MHz 11.6 inches
Diamond HD 6990 830 MHz 1250 MHz 11.6 inches
GIGABYTE HD 6990 830 MHz 1250 MHz 11.6 inches
HIS HD 6990 830 MHz 1250 MHz 11.6 inches
MSI HD 6990 830 MHz 1250 MHz
PowerColor HD 6990 830 MHz 1250 MHz 11.6 inches
PowerColor HD 6990 LCS 880 MHz 1250 MHz 12 inches, Single-slot
Sapphire HD 6990 830 MHz 1250 MHz 11.6 inches
VTX3D HD 6990 830 MHz 1250 MHz 11.6 inches
XFX HD 6990 830 MHz 1250 MHz 11.6 inches