Resources - Archiving Whitepapers - Blu-ray Disc vs. HD DVD Technology


Blu-ray Disc



Storage capacity

- 25GB:single-sided, single-layer disc.
- 50GB:single-sided, dual-layer disc.
Capacity could be increased as additional layers are added (there have been announcements of 100 GB (four-layer) discs and Sony has been conducting laboratory work with a 200 GB disc)
This added capacity makes more customer features and benefits possible in the future, which shows that Blu-ray is the format for the long term


- 15 GB: single-sided, single-layer disc.
- 30 GB: single-sided, dual-layer disc.


Planned formats

- BD-ROM: Read-only format for software, games and movie distribution
- BD-R: Write-once recordable format for HDTV recording and PC data storage.
- BD-RE: Rewritable format for HDTV recording and PC data storage.


- HD-DVD ROM: Read-only
- HD-DVD-R: Recordable
- HD-DVD Rewritable/
Recordable (format not complete).

Ability to view existing CDs/DVDs

*Product-dependent feature


*Product-dependent feature

Industry Support

Apple; Dell Inc.; Hewlett Packard Company*; Hitachi, Ltd.; LG Electronics Inc.; Mitsubishi Electric Corporation; Panasonic (Matsushita Electric); Pioneer Corporation; Royal Philips Electronics; Samsung Electronics Co., Ltd.; Sharp Corporation; Sony Corporation; TDK Corporation; Thomson; Twentieth Century Fox; and Walt Disney Pictures and Television, Warner Bros*
**The Blu-ray Disc Association has over 170 members. *Supporting both formats


Toshiba, NEC*, Memory-Tech, Microsoft, Intel, Sanyo*, HP*
*Supporting both formats





Studio support

Lions Gate, MGM, Paramount*, Sony Pictures Home Entertainment, Twentieth Century Fox, Walt Disney Pictures and Television, (including Walt Disney Home Entertainment, Hollywood Pictures Home Video, Touchstone Home Entertainment, Miramax Home Entertainment, Buena Vista Home Entertainment, Dimension Home Video and Disney DVD), Warner Bros. (including New Line Cinema and HBO Video) have publicly announced their support for the Blu-ray Disc format


Paramount Pictures*, Universal Pictures, Warner Bros. Studios (including New Line Cinema)* *Supporting both formats

Game support

EA, Vivendi Universal Games and PlayStation 3 (PS3 has an integrated Blu-ray Disc drive)


Microsoft Xbox 360 (peripheral add-on drive)

Music Support

Universal Music Group, Sony BMG, Eagle Rock Entertainment


None announced at this time

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Easy Evaluation

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