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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).

Features Blu-ray HD DVD
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
Interactivity BD-3 DVD-Video
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
Icon blu-ray icon HD-DVD icon

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