The NVIDIA RTX 4090 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 1488% higher. While the AMD RX 5500 XT holds its own in three specific areas, the substantial lead in raw computational power makes the NVIDIA RTX 4090 the superior choice for users prioritizing high-end technical capabilities.

Users who require maximum FP32 performance should choose the NVIDIA RTX 4090 to leverage its massive lead in that category. Conversely, the AMD RX 5500 XT is the better option for budget-conscious buyers, as it offers an 89% advantage in MSRP. Selecting between these two components depends entirely on whether your primary goal is to minimize your initial expenditure or to acquire the hardware with the highest computational specifications.