The Intel Arc A310 is the objective winner of this comparison, securing victory in seven out of twelve measured categories. Its most significant technical advantage over the NVIDIA GTX 1660 Ti is its AV1 encoding capability, which represents a 100% improvement in that specific feature. While the competition maintains a lead in several areas, the Intel Arc A310 provides a superior feature set across the majority of the evaluated specifications.

Users prioritizing modern media workflows should choose the Intel Arc A310 for its substantial advantage in AV1 encoding. Conversely, the NVIDIA GTX 1660 Ti remains the better option for those who require a wider memory bus, as it offers a 200% improvement in that specific metric. Selecting between these two components depends entirely on whether your primary needs align with advanced video encoding or the increased bandwidth provided by the larger memory bus.