Xiaomi AX9000 Advantages
Higher CPU Performance (2.2GHz vs 1.8GHz)
Released later by 2 years4 months
Higher QAM Modulation (4096 vs 1024)
Faster WAN Port (2.5GbE vs 1GbE)
Faster Wireless Speed (2402Mbps vs 1148Mbps)
ASUS RT AX88U Advantages
Faster Wireless Speed (4804Mbps vs 1048Mbps)