[smat]

Wifi6 adds QAM1024 as a modulation, so under excellent condition its downlink will be faster.

Many of the changes aim at high density environments, such as trade fairs and conference centers. Once the majority of devices are upgraded, these situations will be handled much more effectively.

Lastly, OFDMA is capable of significantly lowering latency if all devices in a network support it.

If you are using Wifi6 at home with few devices connected, do not expect noticeable improvements.