The Intel Arc A380 and the NVIDIA GTX 1660 reach an objective tie, as both components secure an equal number of spec victories across the evaluated fields. The most impactful advantage for the Intel Arc A380 is its AV1 encoding capability, which represents a 100% improvement over the alternative. Conversely, the NVIDIA GTX 1660 holds a significant lead in hardware architecture, specifically offering a memory bus that is 100% better than the Intel offering.

Users who prioritize modern media workflows and advanced video processing should select the Intel Arc A380 for its superior AV1 encoding support. Alternatively, those who require a wider memory bus for data throughput should choose the NVIDIA GTX 1660. Because these components are evenly matched in overall specifications, the final decision depends entirely on whether your specific computing needs favor the specialized encoding features of the Intel card or the memory bus capacity of the NVIDIA model.