Twitter stalwart @kopite7kimi has just revealed that the GeForce RTX 3050 Ti will feature a GA106-150 GPU with 2560 CUDA cores and 8GB of VRAM, while the RTX 3050 will use a GA106-140 GPU with 2304 CUDA cores and 4GB of VRAM. Nvidia is expected to unveil both graphics cards at CES 2022.
https://www.notebookcheck.net/Nvidia-GeForce-RTX-3050-and-RTX-3050-Ti-VRAM-and-CUDA-core-count-detailed-by-new-leak.586083.0.html