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 upgrade to fix cable modem latency
Why your gigabit broadband lags like hell – blame Intel's chipset • The Register
Puma 6 Based DOCSIS 3.0 Modems : r/teksavvy
Best cable modems in 2023 | Tom's Guide
Amazon.com: Hitron Docsis 3.0 Intel Puma 6-MG 24x8 w/ 3x3 802.11n + 802.11ac dual band and MoCA 2.0 Speeds up to 960Mbps Wireless Gateway Modem Router CGNM-2250 : Electronics
The Best Modems for Spectrum in 2023 - Your Best Digs