I haven't had Comcast in a couple years but they did advertise upload speeds at one time and for the majority of the time (over 15 years) that I had them the sp

I haven't had Comcast in a couple years but they did advertise upload speeds at one time and for the majority of the time (over 15 years) that I had them the speed was at or better than advertised. The last speed teir I had with them was 150/75 in 2019.