MP4 is the file format (the container), whereas MPEG-4 is the broad standard that includes various compression methods.
It is compatible with almost all modern hardware, including smartphones, smart TVs, and gaming consoles. 19448mp4
You may see files with extensions like .m4a (audio only) or .m4v (often used by Apple for video with DRM protection), both of which are based on the same Part 14 standard. MP4 is the file format (the container), whereas
Разница между MPEG-4, AVC/H.264 и MP4 - Elecard 19448mp4
The format supports "progressive downloading," allowing users to start watching a video while it is still being downloaded from a server. Common Distinctions
MP4 typically uses the H.264 (AVC) or H.265 (HEVC) codecs for video and AAC for audio.