The ASRock B760M PG Lightning WiFi is the objective winner of this comparison, securing two out of three spec victories. Its most impactful advantage is a 50% higher maximum memory capacity compared to the alternative. While the ASRock B760M PG Lightning/D4 holds a 27% advantage in MSRP, the superior memory ceiling provided by the WiFi model establishes it as the more capable hardware option for users prioritizing future-proof system expansion.

Choose the ASRock B760M PG Lightning WiFi if your primary goal is maximizing memory support for demanding workloads or future upgrades. Conversely, select the ASRock B760M PG Lightning/D4 if your build strategy focuses on minimizing initial costs, as it offers a significant advantage in MSRP. Your decision should balance the need for expanded memory capacity against the immediate savings provided by the more affordable motherboard option.