The NVIDIA RTX 3080 Ti is the objective winner of this comparison, securing victory in nine out of thirteen measured specifications. Its most significant advantage over the AMD RX 580 is its FP32 performance, which is 453% higher. While the AMD RX 580 holds its own in three specific areas, the substantial lead in raw computational power makes the NVIDIA RTX 3080 Ti the superior choice for users prioritizing high-end technical output and processing capabilities.

Users who require maximum computational throughput should select the NVIDIA RTX 3080 Ti to leverage its massive lead in FP32 performance. Conversely, the AMD RX 580 is the appropriate choice for budget-conscious buyers, as it maintains an 83% advantage in MSRP. By choosing based on these specific strengths, consumers can align their purchase with either the high-performance requirements of the NVIDIA card or the cost-effective nature of the AMD alternative.