Upgraded” from the Broadcom XB6 to the XB7 w/Puma 7 chip and it's slower than the old XB6 even w/WiFi 6. The wall penetration is horrible w/XB7. Curious of other peoples' experiences :
Modem lag and latency - poor remote performance — FlexRadio Community
Intel Chipset Causing Gigabit Broadband Lag | eTeknix