The ASUS ROG MAXIMUS Z890 HERO is the objective winner of this comparison, securing victory in ten out of thirteen evaluated specifications. Its most significant technical advantage over the ASRock B760M PG Lightning is its maximum memory capacity, which is 167% higher. While the ASRock B760M PG Lightning offers a 100% advantage in the number of PCIe x1 slots, the ASUS ROG MAXIMUS Z890 HERO dominates the overall feature set across the majority of the measured categories.

Users requiring extensive memory capacity for demanding workloads should select the ASUS ROG MAXIMUS Z890 HERO to leverage its superior memory support. Conversely, the ASRock B760M PG Lightning is the appropriate choice for builders who prioritize a higher count of PCIe x1 slots for their specific expansion card requirements. Choosing between these two motherboards depends entirely on whether your build necessitates maximum memory overhead or the specific connectivity layout provided by the additional PCIe x1 slots.