Difference between Blu Ray Disc and HD DVD | Blu Ray Disc vs HD DVD
This page compares Blu Ray disc vs HD DVD and mentions similarities and difference between Blu Ray disc and HD DVD.
• Both are optical media storage formats.
• The discs with these formats are identical in Size and Shape.
• Both are backward compatible with DVD
• These are options for audio and video compressions.
• Both uses laser wavelength of about 405 nm (blue violet laser).
|Maximum native resolutions
supported via HDMI
|Supports HDTV formats 720p, 1080i and 1080p||Same formats as supported by Blu Ray disc|
|Disc Capacity||25 GB (single layer), 50 GB (double layer), 100 GB (prototype quad layer)||15 GB (single layer), 30 GB (double layer), 45 GB (prototype quad layer)|
|Video Capacity, per dual layer disc||SD: approximately 23 hours, HD: 8.5 or 5.6 hours (depends on encoding method employed)||SD: approximately 24 hours, HD: 5.1 or 3.3 hours (depends on encoding method employed)|
|Disc diameter||120 mm||120 mm|
|Data transfer rate (audio/video)||54 Mbps (about 1.5x)||10.08 Mbps (< 1x)|
|Max. Video bit rate||40 Mbps||9.8 Mbps|
|Audio formats (or audio codecs)||Dolby TrueHD, DTD-HD, Dolby Digital, Dolby Digital Plus, DTS-ES, Uncompressed PCM 5.1||Dolby TrueHD, DTD-HD, Dolby Digital, Dolby Digital Plus, DTS-ES|
|video codecs||MPEG-2, MPEG-4 AVC, SMPTE VC-1||MPEG-2|
|copy protection and digital rights management||AACS, ICT, BD+, BD-ROM Mark||AACS, ICT|
|Surround sound||supports upto 7.1 channels||same as blu ray|
|gaming compatibility||PlayStation-3||XBOX (via add on drive)|
|studio support||SONY pictures (MGM/Columbia TriStar), Disney (Touchstone, Miramax), Fox, Paramount, Warner, Lions Gate||Paramount, Studio Canal, Universal, Warner, Weinstein Company|
|Frame rates||24/30p, 50/60i||24/25/30p, 50/60i|
|Manufacturer support||Hitachi, Mitsubishi, LG, Sharp, Sony, Panasonic, Samsung, Philips, Thomson/RCA||Toshiba, LG, Thomson/RCA, Onkyo, Samsung|
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