The ASRock B850M PG Riptide WiFi and the ASUS ROG STRIX Z490-E GAMING result in an objective tie across the evaluated specifications. While both motherboards offer comparable feature sets, the ASRock B850M PG Riptide WiFi provides a significant advantage in maximum memory capacity, which is 100% better than its competitor. Conversely, the ASUS ROG STRIX Z490-E GAMING holds a distinct lead in expansion capabilities, offering 200% more PCIe x16 slots than the alternative.

Users prioritizing high-density memory configurations should select the ASRock B850M PG Riptide WiFi to take advantage of its superior memory support. Those who require extensive expansion options for multiple add-in cards should choose the ASUS ROG STRIX Z490-E GAMING for its increased number of PCIe x16 slots. Because the overall feature sets are otherwise balanced, the final decision depends entirely on whether your specific build requires more system memory or additional physical expansion slots.