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 :
Intel Puma 6 Modem List Chipset Defects – ApprovedModemList.com
MaxLinear joins Broadcom in DOCSIS 4.0 chip race with 'Puma 8'
Understanding Intel Puma 6 Modem Chipset Defects: List of Affected Models and Lawsuit