The AMD RX 480 and the NVIDIA GTX 1660 Ti are tied in this objective comparison, as each component leads in six out of thirteen measured specifications. The most significant advantage for the AMD RX 480 is its shader unit count, which is 50% higher than that of its competitor. Conversely, the NVIDIA GTX 1660 Ti offers a substantial lead in computational efficiency, boasting an FP16 performance that is 86% higher than the alternative.

Users prioritizing raw shader capacity should select the AMD RX 480 for their build. This component is better suited for tasks that rely heavily on high shader unit counts. Alternatively, those who require superior FP16 performance should choose the NVIDIA GTX 1660 Ti. This option is the clear preference for workloads that benefit from the specific computational advantages provided by its architecture, ensuring the hardware aligns with the user's primary technical requirements.