The AMD RX 7900 XT is the objective winner of this comparison, securing victories in ten out of thirteen measured specifications. Its most significant advantage over the competition is its FP16 performance, which is 1347% better. While the AMD RX 590 maintains a lead in three specific categories, the sheer scale of the performance gap in computational capability establishes the newer card as the superior hardware choice based on the provided technical data.

Users prioritizing the lowest possible MSRP should select the AMD RX 590, as it holds a 69% advantage in that category. Conversely, those who require the massive computational gains offered by the AMD RX 7900 XT should choose the latter. The decision rests on whether a buyer values the cost-efficiency of the older model or the substantial performance improvements found in the newer architecture.