The AMD RX 7900 XT is the objective winner of this comparison, securing victories in ten out of thirteen measured specifications. Its most significant technical advantage is its FP16 performance, which is 848% better than that of the NVIDIA GTX 1660 Ti. This massive disparity in raw computational capability establishes the AMD RX 7900 XT as the superior hardware choice for users prioritizing high-end performance metrics and advanced processing power across the majority of the evaluated categories.

Users who require the highest level of computational throughput should select the AMD RX 7900 XT to leverage its substantial lead in FP16 performance. Conversely, the NVIDIA GTX 1660 Ti remains a viable option for budget-conscious consumers, as it holds a 69% advantage in MSRP. Choosing between these two components depends entirely on whether the user prioritizes the significant performance gains offered by the former or the lower cost associated with the latter.