The NVIDIA GTX 1660 and the NVIDIA GTX 1660 Ti represent a balanced choice, as both cards secure an equal number of spec victories across the board. While the former holds a significant 33% advantage in memory clock speed, the latter provides a substantial 50% improvement in memory bandwidth. Because neither card dominates the overall technical comparison, the decision rests entirely on whether your specific workload prioritizes the higher memory clock of the first or the superior bandwidth of the second.

Choose the NVIDIA GTX 1660 if your primary requirement is the higher memory clock speed provided by its architecture. Conversely, select the NVIDIA GTX 1660 Ti if your tasks benefit more from the 50% increase in memory bandwidth. Since both components share five tied specifications and an identical number of total wins, users should focus exclusively on these two distinct memory-related advantages to determine which hardware configuration better aligns with their specific computing needs.