The distinction between them is that the first one has high video resolution. Thus, this format can work well on MP4 and MP3 players. On the other hand, AMV stands for Anime Music Video, containing video and audio files. This file format has a relationship with MPEG or Moving Picture Experts Group. Thus, it comprises video, audio, subtitle, text, and image files. MP4 is the most famous file container that has media file contents.