acho que este texto sumariza bastante bem ambas as soluções: There is no simple answer to the question, it depends on your area, ISP, time of day, moon phase and your needs. One of the major advantages of DSL over Cable Modems is that the line is not shared to the Central Office, however, the slow connections are rarely associated with this segment of your connection. Cable Modems have higher bandwidth, however the connection is shared and as a result the performance is similar to DSL. Generally, Cable Modems can achieve better throughput, which varies a lot, while DSL usually provides a more constant feed, with lower latency. neat !