I am unsure how everyone is getting down to such a lower wattage. Running just firefox for this forum and using tuned-adm powersave I am seeing around 9-10w consumed in powertop. I have never been able to get it below 6w or so. This is with 1 usb-c, 2 usb-a and an HDMI adapter. I tried removed the HDMI one but it didn’t do much. This is at lower brightness also.
Oh and Ubuntu 21.04 mostly stock.