The NVIDIA GTX 1080 Ti is the objective winner of this comparison, securing victory in seven of the thirteen evaluated specifications. While the AMD RX 580 holds a significant lead in specific computational tasks, the primary advantage of the NVIDIA GTX 1080 Ti is its superior memory bandwidth, which outperforms the AMD RX 580 by 89 percent. This substantial lead in memory throughput establishes the NVIDIA card as the more capable hardware option across the majority of measured technical categories.

Users prioritizing raw memory bandwidth for high-demand data processing should select the NVIDIA GTX 1080 Ti for its clear technical superiority in that metric. Conversely, the AMD RX 580 is the appropriate choice for specialized workloads that rely heavily on FP16 performance, where it maintains a 3328 percent advantage over the NVIDIA alternative. Choosing between these components depends entirely on whether your specific application requires the massive memory throughput of the NVIDIA card or the specialized computational efficiency of the AMD unit.