A DVD disc 80 mm in diameter. Using the same platter size as the mini CD, mini DVDs hold 1.4GB of video compared to 4.7GB for the regular 120 mm DVD. A few camcorders were built that recorded onto mini DVDs.
Mini DVD Is Not MiniDV
Mini DVD is a disc; however, MiniDV is a tape cassette in the DV videotape format. See DV
and mini CD
Full and Mini
The 80 mm mini DVD disc on the right holds considerably less data than the regular 120 mm DVD disc on the left.