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 is 372% better than that of the NVIDIA GTX 1660 Ti. This substantial lead in computational throughput establishes the AMD RX 9060 XT 8 GB as the superior option across the majority of the evaluated hardware specifications.

Users prioritizing raw computational power and modern hardware specifications should select the AMD RX 9060 XT 8 GB for its dominant performance in FP16 tasks. Conversely, the NVIDIA GTX 1660 Ti remains a viable alternative for specific use cases that rely on a wider memory bus, where it maintains a 50% advantage over the competitor. Choose the former for general technical superiority or the latter if your specific workload benefits from its memory bus configuration.