NVIDIA apparently has an RTX 3080 Ti with 9,984 CUDA cores in development and is likely to position it between the RTX 3080 and RTX 3090. Details of the rumored RTX 3080 Ti are not fully available except for the fact that it uses a GA102-250 GPU with a 384-bit memory bus and possibly feature either 12 GB or 24 GB of GDDR6X VRAM.
https://www.notebookcheck.net/NVIDIA-GA102-250-RTX-3080-Ti-with-9-984-CUDA-cores-and-384-bit-memory-interface-allegedly-in-the-pipeline.499475.0.html