Videocardz has heard from its sources that the laptop GeForce RTX 3080 Ti will have a max TGP of 175W and run 16GB of VRAM clocked at 16Gbps. Nvidia is expected to unveil the graphics card alongside the GeForce RTX 3070 Ti mobile at CES 2022.
https://www.notebookcheck.net/Nvidia-GeForce-RTX-3080-Ti-mobile-max-TGP-and-memory-specifications-revealed-by-new-leak.589043.0.html