MOV vs M4V

M4V sticks with the MP4 format and uses H.264 for the video and AAC or Dolby Digital for the audio. M4V format is the default format for iTunes, and is thus the default format for portable Apple products like the iPhone, iPad, and iPod.

MOV format supports a number of formats including the aforementioned ones, but also includes other codecs that are not under MP4. MOV format is actually intended for use with QuickTime and is the default format for the application.

Summary:
1: Both MOV and M4V are lossy formats which sacrifices quality for file size
2: MOV supports a lot more codecs that are not supported by M4V
3: MOV is a container format for QuickTime while M4V is the container format for iTunes
4: M4V file format is a video file format developed by Apple and is very close to MP4 format.
4. MOV works better and has more widespread support than M4V for streaming video
5. M4V is better supported by portable devices than the MOV format

Other Comparison: MOV vs WMV / 3GP vs 3G2 / MP4 vs FLV / MKV vs MP4 / MP4 vs MP3 / 3GP vs MOV / 3GP vs FLV / M2TS vs MP4

Related Post of MOV File formats

Related Post of M4V File formats