AVI vs H.264, difference between AVI and H.264 format

Comparsion between AVI and H.264

File Extension	AVI	H.264
File Type	Audio Video Interleave File	H.264 Encoded Video File
Description	A file with the .avi file extension is an Audio Video Interleave file, storing video data that may be encoded in a variety of codecs. AVI usually uses DivX or XviD as the compression format.	H.264 is a video compression format. H.264 is also known as MPEG-4 AVC. H.264 offers better quality at lower file sizes than both MPEG-2 and MPEG-4 ASP (DivX or XviD).Apple has official adopted H.264 as the format for QuickTime.
Developed by	Microsoft	N/A
Difference	AVI is a container format, while H.264 is one of many video formats that AVI can contain. AVI contains both the video and audio data, while H.264 is only the video encoder (no audio).
Help You Choose	AVI(DivX, XviD) is well compatible with most Windows-based media players and devices like XBox 360.	H.264 is supported by almost all players and devices, and can be used to share videos online.