Difference Between DVD-R and DVD+R

Main Difference

Both DVD-R and DVD+R refers to two digital optical disc storage formats. These don’t stands for one format so don’t confuse them to be used as an interchangeable for each other. The main difference between DVD-R and DVR+R is that DVD-R is a type of DVD that has non-rewritable format can it compatible with about 93% of DVD players and most of the DVD-ROMs while DVD+R is compatible with about 89% of DVD players and most of the DVD-ROMs.

What is DVD-R?

DVD-R refers to a non-rewritable digital optical disc storage format. The non-rewritable means it can be written once and read arbitrarily many times. It has the capacity of 4.7 GB. However, 8.5 GB dual layer version named DVD-R DL has been also developed by the Pioneer that was launched in 2005. It is supported by the over 93% of DVD players and most of the DVD-ROMs and is approved by the DVD Forum. DVD-R discs are composed of two 0.6 mm acrylic discs, bonded with an adhesive to each other. Once acrylic disc have laser guiding groove and is coated with the recording dye and a silver alloy or gold reflector. The other one is an ungrooved ‘dummy’ disc to assure mechanical stability of the sandwich structure and compatibility with the compact disc standard geometry that requires a total disc thickness of about 1.2 mm.

What is DVD+R?

DVD-R refers to a non-rewritable digital optical disc storage format. The non-rewritable means it can be written once and read arbitrarily many times. It has the capacity of 4.7 GB. It is used for non-volatile data storage, audio, or video applications. Its format is similar to DVD-R format, however, not compatible. Like DVD-R, it carry up to 8.5 GB of data. DVD+R has more robust error management system than DVD-R that allows for more accurate burning to media. DVD+R is compatible with about 89% of DVD players and most of the DVD-ROMs. That’s mean around 11% of standalone DVD video player and DVD ROM drives are not fully compatible with the DVD+R format. It provides more accurate additional session linking methods as compare to DVD-R.

Key Differences

  1. DVD-R don’t require to be formatted before being recorded through a compatible video recorder while DVD+R discs must be formatted before being recorded by a compatible DVD video recorder.
  2. The DVD-R disc format is different from the DVD-R Format.
  3. DVD+R has more robust error management system than DVD-R that allows for more accurate burning to media.
  4. DVD+R writer is able to locate data on the disc to byte accuracy whereas DVD-R is lacking for such precision.
  5. DVD+R provides more accurate additional session linking methods as compare to DVD-R.
  6. DVD-R supported by the over 93% of DVD players and most of the DVD-ROMs and is approved by the DVD Forum. DVD+R is compatible with about 89% of DVD players and most of the DVD-ROMs.
  7. DVD-R is backed by DVD Forum that consists upon Apple, Pioneer, Mitsubishi, Hitachi, and Time Warner. DVD+R is backed by DVD+RW alliance that consist upon Sony, Yamaha, Philips, Dell, and Microsoft.
Harlon Moss

Harlon currently works as a quality moderator and content writer for Difference Wiki. He graduated from the University of California in 2010 with a degree in Computer Science. Follow him on Twitter @HarlonMoss

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