The Intel Arc A770 is the objective winner of this comparison, securing victories in ten out of thirteen measured categories. Its most significant advantage is its FP32 performance, which is 291% higher than that of the NVIDIA GTX 1660. This substantial lead in raw computational capability makes the Intel Arc A770 the superior choice for users prioritizing high-performance output and modern hardware specifications over power efficiency.

Users who require maximum computational power should select the Intel Arc A770 for their system. Conversely, the NVIDIA GTX 1660 is the better option for those who prioritize power efficiency, as it offers a 47% advantage in TDP. If your primary goal is to minimize power consumption, the NVIDIA GTX 1660 remains the more suitable component despite its lower performance metrics across the majority of the compared specifications.