The AMD RX 6900 XT is the objective winner of this comparison, securing victory in ten out of fourteen measured specifications. Its most significant advantage over the AMD RX 5600 XT is its FP32 performance, which is 220% higher. While the AMD RX 5600 XT holds a 72% advantage in MSRP, the superior raw computational power of the AMD RX 6900 XT establishes it as the more capable component across the vast majority of technical categories.

Users prioritizing maximum computational throughput and high-end performance should select the AMD RX 6900 XT for their build. Conversely, the AMD RX 5600 XT is the appropriate choice for budget-conscious buyers who prioritize a lower MSRP over the raw processing capabilities offered by the more powerful alternative. Choosing between these two components depends entirely on whether your primary requirement is the significant performance lead of the former or the cost efficiency of the latter.