The NVIDIA RTX 3090 Ti is the objective winner of this comparison, securing victory in ten out of fifteen measured specifications. Its most significant technical advantage is its VRAM capacity, which is 100% higher than that of the NVIDIA RTX 3080 12 GB. While the latter component holds its own in three categories, the former dominates the majority of the technical fields, establishing itself as the superior hardware option based on the provided data.

Users who prioritize maximum memory capacity for intensive tasks should select the NVIDIA RTX 3090 Ti to leverage its substantial VRAM advantage. Conversely, the NVIDIA RTX 3080 12 GB is the better choice for budget-conscious buyers, as it offers a 60% better MSRP. Choosing between these two components depends entirely on whether your primary requirement is the increased memory overhead of the higher-tier model or the significant cost efficiency provided by the alternative.