The NVIDIA RTX 4080 is the objective winner of this comparison, securing victory in nine out of fifteen measured specifications. While the NVIDIA RTX 3080 Ti maintains a significant lead in memory bus width, offering a 50% advantage in that specific category, the newer card dominates in modern feature sets. Most notably, the NVIDIA RTX 4080 provides a 100% advantage in AV1 encoding capabilities, marking it as the superior choice for advanced video processing tasks.

Users who prioritize raw memory bus width for specific data-heavy workflows should select the NVIDIA RTX 3080 Ti. Conversely, those who require the latest video encoding standards for streaming or content creation should opt for the NVIDIA RTX 4080. By choosing based on these distinct technical strengths, buyers can align their hardware selection with their specific professional or creative requirements rather than relying on general performance metrics alone.