The NVIDIA GeForce RTX 5090D is the objective winner of this comparison, securing victories in twelve out of fourteen measured specifications. Its most significant advantage is its FP32 performance, which is 840% better than that of the NVIDIA RTX 2080 SUPER. While the older card maintains a lead in MSRP, the massive leap in raw computational power makes the newer model the clear technical superior across the vast majority of the evaluated categories.

Users prioritizing maximum computational throughput should select the NVIDIA GeForce RTX 5090D to leverage its substantial FP32 performance advantage. Conversely, the NVIDIA RTX 2080 SUPER remains the logical choice for budget-conscious buyers who prioritize a lower MSRP over the superior technical specifications found in the newer hardware. Your decision should depend on whether your primary requirement is the highest possible performance ceiling or a more accessible entry cost.