The NVIDIA RTX 4080 is the objective winner of this comparison, securing victory in nine out of fourteen measured specifications. Its most significant advantage over the Intel Arc A580 is its FP32 performance, which is 297% higher. While the Intel Arc A580 holds a notable 85% advantage in MSRP, the NVIDIA RTX 4080 dominates the technical landscape by providing substantially greater raw computational power across the majority of the evaluated hardware categories.

Users prioritizing maximum computational throughput should select the NVIDIA RTX 4080 for its superior FP32 performance. Conversely, the Intel Arc A580 is the logical choice for budget-conscious buyers who prioritize a lower MSRP over the high-end performance metrics offered by its competitor. Choosing between these two components depends entirely on whether your primary requirement is raw processing capability or a more accessible entry point based on the provided pricing structure.