The NVIDIA RTX 5090 is the objective winner of this comparison, securing victory in ten out of thirteen measured specifications. Its most significant advantage over the AMD RX 5500 XT is its FP32 performance, which is 1915% higher. While the AMD RX 5500 XT holds a lead in two categories, the massive disparity in computational throughput highlights the substantial technical gap between these two graphics processing units.

Users prioritizing raw computational power should select the NVIDIA RTX 5090 to leverage its superior FP32 performance. Conversely, the AMD RX 5500 XT is the appropriate choice for buyers who prioritize the MSRP, where it maintains a 92% advantage. Choosing between these components depends entirely on whether your primary requirement is the highest possible technical specification or the most favorable initial cost as defined by the manufacturer's suggested retail price.