NVIDIA has a plan to rival AMD's Radeon RX 6900 XT, and it will come in the form of the GeForce RTX 3080 Ti. Confirmed by HKEPC and Videocardz, the RTX 3080 Ti is thought to be based on a GA102 GPU with 10,496 CUDA cores. Apparently, the RTX 3080 Ti will apparently arrive in January 2021 for US$999, while it will also have 20 GB of GDDR6X VRAM.
https://www.notebookcheck.net/NVIDIA-GeForce-RTX-3080-Ti-will-allegedly-launch-in-January-2021-for-US-999-to-combat-the-AMD-RX-6900-XT.503616.0.html