The AMD RX 6900 XT Graphics Cards is a powerful graphics card within AMD's RX 6000 series of GPUs. The card boasts 16 GB of memory and boost clock speeds of 2250 MHz. When it comes to AMD vs. NVIDIA, the AMD RX 6900 XT Graphics Cards makes AMD a strong competitor. The AMD RX 6900 XT Graphics Cards released in December of 2020.