Graphics Cards Guide

Sapphire HD 6990 4GB GDDR5
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Sapphire HD 6990 4GB GDDR5


With a core clock speed of 830MHz and memory clock speed of 5000MHz, the Sapphire HD 6990 has features like AMD Eyefinity, AMD Avivo HD which allows Blu-ray movies at full 1080p display resolution, and AMD CrossFireX Multi-GPU technology.