The ASRock B850M PG Riptide WiFi and the ASRock H670 Steel Legend are tied in overall performance, as both motherboards secure an equal number of specification wins. The ASRock B850M PG Riptide WiFi holds a significant advantage in maximum memory capacity, offering a 100% improvement over its counterpart. Conversely, the ASRock H670 Steel Legend provides a distinct edge in expansion capabilities, featuring a 200% increase in the number of available PCIe x1 slots.

Users who prioritize high-capacity memory configurations should choose the ASRock B850M PG Riptide WiFi to take advantage of its superior memory support. Alternatively, the ASRock H670 Steel Legend is the better option for builders who require additional PCIe x1 slots for peripheral expansion. Because both boards offer identical performance across the remaining specifications, the final decision should rest entirely on whether your specific build requires more system memory or more expansion slots.