The ASRock B760M PG Lightning is the objective winner of this comparison, securing victories in two out of three evaluated specifications. Its most significant advantage is its maximum memory capacity, which is 100% higher than that of the alternative model. This substantial increase in supported memory provides a clear technical lead for the primary board, making it the superior choice for users who prioritize hardware headroom and system expansion capabilities over other considerations.

Choose the ASRock B760M PG Lightning if your build requires the highest possible memory capacity for demanding tasks. Conversely, select the ASRock B760M PG Lightning/D4 if your primary goal is cost efficiency, as it offers a 20% advantage in MSRP. By weighing the need for expanded memory against the lower cost of the D4 variant, you can select the motherboard that best aligns with your specific budget and performance requirements.