The ASRock X870E Taichi is the objective winner of this comparison, securing more individual specification victories than its counterpart. While both motherboards share many identical features, the ASRock X870E Taichi holds the most significant advantage in its expansion capabilities, offering 100% more PCIe x1 slots than the alternative. This hardware configuration provides a distinct edge for users prioritizing additional internal connectivity options for specialized expansion cards within their system build.

Users who require maximum internal expansion should choose the ASRock X870E Taichi for its superior PCIe x1 slot count. Conversely, the ASRock X870E Nova WiFi is the better selection for those who prioritize external peripheral connectivity, as it provides a 100% advantage in USB Type-C port availability. Selecting between these two boards depends entirely on whether your specific workflow demands more internal card slots or increased high-speed external port access for your peripherals.