The NVIDIA GTX 1660 SUPER is the objective winner of this comparison, securing victory in nine out of twelve measured specifications. Its most significant advantage over the AMD Radeon RX 550 is its FP32 performance, which is 315% higher. While the AMD Radeon RX 550 holds a 66% advantage in MSRP, the NVIDIA GTX 1660 SUPER dominates the technical landscape by providing substantially greater raw computational power across the vast majority of the evaluated categories.

Users prioritizing raw processing capability should choose the NVIDIA GTX 1660 SUPER to leverage its superior FP32 performance. Conversely, the AMD Radeon RX 550 is the appropriate selection for buyers who are strictly focused on the MSRP advantage. By weighing the 315% performance lead against the 66% cost benefit, consumers can decide whether they require the high-end computational output of the NVIDIA card or the specific financial positioning offered by the AMD alternative.