MP4 vs MP3

MP3 is an audio encoding format for MPEG-1 Audio Layer 3. It is one of the most popular audio compression and decompression (codec) format today because of its ability to put music into manageable files, thus making downloading over the internet easy.

MP4 is actually MPEG-4 Part 14, formally ISO/IEC 14496-14:2003, a multimedia container format standard specified as a part of MPEG-4. The MP4 is a container format, allowing a combination of audio, video, subtitles and still images to be held in the one single file. It also allows for advanced content such as 3D graphics, menus and user interactivity.

Summary:
MP3: MPEG – 1 Audio Layer 3and .mp3
Handles: Audio only
Portability: Virtually all music players support MP3 files.
Extended from: mp2
Released for public use on: 7th of July, 1994

MP4: MPEG – 1 Audio Layer 3and .mp3
Handles: Audio, Video, Text & images
Portability: iPods and iPhones support MP4 files
Extended from: Apple's QuickTime .mov
Released for public use on: 2003

Other Comparison: MP4 vs SWF / AAC vs MP3 / MP3 vs WMA / AAC vs AC3 / AIFF vs WAV / MOD vs TOD / MTS vs M2TS / GIF vs PNG

Related Post of MP4 File formats

Related Post of MP3 File formats