The NVIDIA RTX 3090 Ti is the objective winner of this comparison, securing victory in nine out of thirteen measured categories. Its most significant technical advantage over the AMD RX 580 is its FP32 performance, which is 548% higher. While the AMD RX 580 holds its own in three specific areas, the substantial lead in raw computational throughput makes the NVIDIA RTX 3090 Ti the superior choice for high-performance tasks.

Users prioritizing maximum computational power should select the NVIDIA RTX 3090 Ti to leverage its massive advantage in FP32 performance. Conversely, the AMD RX 580 is the appropriate choice for budget-conscious buyers, as it offers a 90% better MSRP compared to the alternative. Choosing between these two components depends entirely on whether your primary requirement is the highest possible processing capability or a significantly more accessible entry price.