The AMD RX 590 is the objective winner of this comparison, securing nine spec victories against the two held by the AMD Radeon RX 550. The most significant technical advantage belongs to the RX 590, which delivers 488% better FP32 performance than its counterpart. While the Radeon RX 550 maintains a lead in MSRP, which is 72% better than the alternative, it falls behind in the majority of measured hardware specifications.

Choose the AMD RX 590 if your priority is maximizing raw computational power for demanding tasks, as its massive lead in FP32 performance makes it the superior hardware choice. Conversely, select the AMD Radeon RX 550 if your primary goal is to minimize initial expenditure, as its significant advantage in MSRP makes it the more budget-friendly option for users who do not require the higher performance capabilities of the more powerful card.