The AMD RX 9060 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 313% higher than that of the NVIDIA GTX 1660 Ti. This substantial lead in computational capability establishes the AMD RX 9060 as the superior hardware choice based on the provided data, as it outperforms the NVIDIA GTX 1660 Ti across the vast majority of evaluated metrics.

Users prioritizing raw computational throughput should select the AMD RX 9060 to leverage its massive advantage in FP16 performance. Conversely, the NVIDIA GTX 1660 Ti remains a viable alternative for specific use cases that rely heavily on memory bandwidth, as it maintains a 50% advantage in memory bus width. Choosing between these two components depends on whether your workload demands the superior processing power of the AMD RX 9060 or the wider memory bus of the NVIDIA GTX 1660 Ti.