The analog TVs are already going into extinction as the Digital TVs are gaining more ground and popularity. One major difference between them is that analog TV can process analog signals, while digital TVs can process both analog and digital signals. The analog TVs are well known to be easily prone to some problems like distorted display, noise, and interference.
Though digital TVs too can give these issues some times, that is, if they are operating on analog signals, it can be easily controlled by switching to a digital signal. Analog TV sets have their display, which makes use of cathode ray tubes, while digital TVs make use of the flat panel, such as LED, LCD, and plasma for display. The digital TV sets consume less power than analog TV sets. In addition, digital TV sets are usually lighter and quite portable, while analog TV sets are known to be bulky and big.