Unlike cables, IPTV uses the Internet and IP, so it is essentially a two-way system. The video is encrypted, then compressed, and placed in an IP packet. Advantages but this interactivity are said to be an essential feature of IPTV. IPTV is strictly baseband, but the cable uses broadband modulation schemes. IPTV uses the InternetInternet to stream video, so poor internet connection can cause video degradation during peak hours. Winner: It depends on the situation. Cables are best if your internet plan is inadequate, but IPTV can be the best option with the right bandwidth.