CD Spin How DVD-Rewritable Formats Stack Up CD Spin


Digital Video Disc (DVD) now come in different formats with ten different vendors specifying their own proprietary formats. Each format standard is different and the table below specifies how they stack up:
DVD-Rewritable Formats
Format
DVD-R
DVD-R/W
DVD-RAM
DVD+RW
Capacity
3.95 GB
3.95 GB
2.6 GB
3.0 GB
Rotation
CLV
CLV
CLV
CLV/CAV
Media
No Cartridge
No Cartridge
Optional Cartridge
Caddy Optional
Recording
Incremental Recording
1,000 Rewrites
100,000 Rewrites
100,000 Rewrites
Compatibility with Existing Drives
Yes
Yes
No
No
Main Strengths
High capacity, compatibility with DVD-ROM
High capacity, compatibility with DVD-ROM
First to market
Flexible, robust, similar to DVD-ROM

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Date of last revision: 17 December 2001.
Extracted from the Imaging Magazine, May 1998