The NVIDIA RTX 3080 Ti is the objective winner of this comparison, securing victory in eight out of twelve measured specifications. Its most significant advantage over the AMD Radeon RX 550 is its FP32 performance, which is 2716% higher. While the AMD Radeon RX 550 holds a lead in three categories, the sheer scale of the performance gap in computational capability establishes the NVIDIA RTX 3080 Ti as the superior component in this technical evaluation.

Users prioritizing raw computational power should select the NVIDIA RTX 3080 Ti to leverage its massive advantage in FP32 performance. Conversely, the AMD Radeon RX 550 is the appropriate choice for buyers focused on the MSRP, where it maintains a 93% advantage. Choosing between these two components depends entirely on whether your primary requirement is the high-end processing capability offered by the former or the cost-focused positioning of the latter.