Faster link speed allows the Wi-Fi radio to finish transmission faster and go to sleep prolonging battery life. TCP throughput is about half of the link rate.

Faster link speed allows the Wi-Fi radio to finish transmission faster and go to sleep prolonging battery life. TCP throughput is about half of the link rate. iPhones before the 15 Pro maxed out at 1200 Mbps link rate because they are 2x2 MIMO with 80 MHz max channel banwdidth.