The Best Comcast Vs At&T U Verse References. Network technology types to start with, the first difference between comcast xfinity and at&t internet is the technology they use to transmit their internet signals to and from users. So, how do they fare when pitted against each other?
Xfinity has cheaper plan options but less fiber internet availability. Web next, comcast has 250gb a month caps compared to at&t which is something like 160gb for their 18mbps service and as low as 80gb for their 6mbps. In my old home town, the difference in latencies was roughly 30ms and about 5 or 6 hops.
