The AMD RX 9060 XT 16 GB is the objective winner of this comparison, securing victory in ten out of thirteen measured specifications. Its most significant technical advantage is its FP16 performance, which is 620% better than that of the alternative. While the AMD RX 590 maintains a lead in memory bus width, offering a 100% advantage in that specific category, it falls behind in the majority of the evaluated hardware metrics.

Users prioritizing raw computational throughput and modern hardware capabilities should select the AMD RX 9060 XT 16 GB for its superior FP16 performance. Conversely, the AMD RX 590 remains a relevant choice for specific workloads that rely heavily on a wider memory bus. Your final decision should depend on whether your primary requirements favor the massive gains in processing efficiency offered by the newer card or the specific memory architecture provided by the older model.