The AMD RX 6600 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 637% higher. While the RX 550 maintains a lead in MSRP, the substantial gap in raw computational capability establishes the RX 6600 as the superior component across the majority of the evaluated technical categories.

Users prioritizing maximum computational power should select the AMD RX 6600 to leverage its significant lead in FP32 performance. Conversely, the AMD Radeon RX 550 is the appropriate choice for budget-conscious buyers who prioritize the 76% advantage in MSRP over raw processing strength. Each component serves a distinct purpose based on whether the user values the primary cost benefit of the former or the extensive performance gains offered by the latter.