The AMD RX 9060 XT 8 GB 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 outperforms the NVIDIA GTX 1660 Ti by 372 percent. This substantial lead in computational capability establishes the AMD RX 9060 XT 8 GB as the superior choice across the majority of the evaluated hardware specifications.

Users prioritizing raw computational throughput should select the AMD RX 9060 XT 8 GB to leverage its massive FP16 performance lead. Conversely, the NVIDIA GTX 1660 Ti remains a viable alternative for specific tasks that benefit from its superior memory bus, which is 50 percent wider than that of its competitor. Choosing between these two components depends on whether your workload requires the high-speed processing of the AMD card or the memory bus advantage of the NVIDIA option.