The AMD RX 7800 XT is the objective winner of this comparison, securing victories in ten out of thirteen measured categories. Its most significant technical advantage is its FP16 performance, which is 643% better than that of the NVIDIA GTX 1660 SUPER. This substantial lead in computational capacity establishes the former as the superior hardware option based on the provided specifications, far outpacing the latter in the majority of evaluated metrics.

Users prioritizing raw computational power and modern hardware capabilities should select the AMD RX 7800 XT for its clear lead in performance-related specifications. Conversely, the NVIDIA GTX 1660 SUPER remains a viable choice for budget-conscious buyers, as it holds a 54% advantage in MSRP. Choosing between these two components depends on whether the user values the significant performance gains offered by the former or the lower cost associated with the latter.