Speed difference between DSL and Cable Internet?
I would like to know the difference between DSL and Cable Internet. Right now I have Comcast Cable Internet and on my computer it says that the speed is 54 Mbps. Looking at the Verizon DSL options for speed it says .5 - 1 Mbps. Cable Internet is too costly for my budget and DSL seems to be much cheaper. I've seen and heard from different places that DSL is faster, but I just don't really understand that because having Cable seems to be somewhat slow. Watching Youtube videos, sometimes it buffers, its out of sync, and same with Comcast videos.
I forgot to add, is the 54 Mbps the shared speed among other Comcast customers in my area? I'm thinking the only reason DSL may be faster is because its for one household and not a neighborhood.
- Anonymous8 years agoFavorite Answer
DSL and Cable Speed - Bottom Line
Cable modem Internet services on average promise higher levels of bandwidth than DSL Internet services, and this bandwidth roughly translates to raw speed. However, while cable Internet will theoretically run faster than DSL, several technical and business reasons can reduce or even eliminate this advantage.
DSL vs Cable Raw Speed - Advantage Cable
In terms of theoretical peak performance, cable modem runs faster than DSL. Cable technology supports approximately 30 Mbps of bandwidth, whereas most forms of DSL cannot reach 10 Mbps.
One type of DSL technology, VDSL, can match cable's performance, also supporting 30 Mbps. However, Internet service providers generally do not offer VDSL, but rather the cheaper and slower ADSL or SDSL services.
DSL vs Cable - Real-World Speed
In practice, cable's speed advantage over DSL is much less than the theoretical numbers suggest. Why?
Cable modem services can slow down significantly if many people in your neighborhood access the Internet simultaenously.
Both cable modem and DSL performance vary from one minute to the next depending on the pattern of use and traffic congestion on the Internet.
DSL and cable Internet providers often implement so-called "speed caps" that limit the bandwidth of their services.
Some home networks cannot match the speed of the Internet connection, lowering your performance
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