The AMD RX 6800 XT is the objective winner of this comparison, securing victories in eleven out of fourteen measured specifications. Its most significant advantage is its FP32 performance, which is 106% better than that of the NVIDIA RTX 2080. This substantial lead in raw computational capability establishes the former as the superior choice for users prioritizing high-end processing power and technical performance across the majority of the evaluated hardware metrics.

Users who require maximum computational throughput should select the AMD RX 6800 XT to leverage its significant FP32 performance advantage. Conversely, the NVIDIA RTX 2080 is the better option for those who prioritize power efficiency, as it offers a 28% better TDP. Choosing between these two components depends on whether your primary requirement is the raw processing power provided by the former or the lower power consumption profile offered by the latter.