Articles General What is the Difference Between HD DVD and Blu Ray
 
What is the Difference Between HD DVD and Blu Ray

HD DVD and Blu-ray are two competing disc technologies. A couple years ago, a war sparked between these two discs formats, and Blu-ray came out as the winner – making it the accepted standard format by the video industry.  HD DVD and Blu-ray are high density DVDs that can hold a huge amount of data compared to DVD.  Both are high-definition optical disc formats but are incompatible with each other.  

These two discs formats were designed to compete with the existing DVD format.  You cannot see any physical difference between the two discs and they look just like the standard DVD. Although they both seem similar, they still exhibit a few major differences.

BLU-RAY
Blu-ray is a High Definition video disc standard developed by Sony and other partners that use a blue-violet laser beam to read and write data. It can store as much as 25 GB of data while a dual-layer can store up to 50 GB of data. Blu-ray discs are optical disc storage media that can be used for the storage of high-definition video and data.

HD DVD
High-Definition/Density Digital Versatile Disc or HD DVD is also an optical disc storage media used for storing high-definition video. It uses a red laser beam to read and write data. HD DVD is an innovation of Toshiba Technologies which has been leading in the field of infrastructure, consumer products, and electronics devices.

Like Blu-ray, HD DVD uses a wavelength of 405nm.  However, after the war between Blu-ray and HD DVD was decided, Toshiba abandoned the format and announced, on February 2008, that it will no longer develop or manufacture HD DVD players or drives.

HEAD TO HEAD COMPARISON

Format founders

Blu-Ray HD DVD

Sony Corporation
Royal Philips Electronics

Toshiba Corporation
Hitachi Corporation

 

Capacity

Blu-Ray HD DVD

ROM single layer:
ROM dual layer:
RW single layer:
RW dual layer:
Highest test:
Theoretical limit:

23.3 / 25GB
46.6 / 50GB
23.3 / 25 / 27GB
46.6 / 50 / 54GB
100GB
200GB

Single layer:
Dual layer:
-
-
Highest test:
Theoretical limit:

15GB
30GB
-
-
45GB
60GB

Codecs

Blu-Ray HD DVD

MPEG-2
Microsoft Video Codec 1 (aka VC1, WMV HD, etc.)
H.264 / MPEG-4 AVC
Dolby Digital AC-3, DTS, linear PCM
Optional: Dolby Digital Plus, Dolby TrueHD, DTS HD

MPEG-2
Microsoft Video Codec 1 (aka VC1, WMV HD, etc.)
H.264 / MPEG-4 AVC
Dolby Digital AC-3, DTS, linear PCM, Dolby Digital EX, Dolby Digital Plus, Dolby TrueHD
Optional: DTS HD

 

Security

Blu-Ray HD DVD

Mandatory HDCP encrypted output
ROM-Mark watermarking technology
BD+ dynamic crypto (physical layer)
Advanced Access Content System (AACS)

Mandatory HDCP encrypted output (for HD)
Volume identifier (physical layer)
Advanced Access Content System (AACS)

 

Movie studio support

Blu-Ray HD DVD

20th Century Fox
Buena Vista Home Entertainment
Hollywood Pictures
Lions Gate
Miramax Entertainment
MGM Studios
New Line Cinema
Sony Pictures Entertainment
Touchstone Entertainment
The Walt Disney Company
Vivendi Universal Games
Warner Bros.

Dreamworks
Paramount Pictures
Universal Studios

 

Companies listed as Members of the Board or Managing Members

Blu-Ray HD DVD

Apple, Inc.
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
Sun Microsystems
TDK Corporation
Thomson
Twentieth Century Fox
Walt Disney Pictures and Television
Warner Bros.

Memory-Tech Corporation
NEC Corporation
Sanyo Electric Co.
Toshiba Corporation

 

Companies listed as Members, Associate Members, or Contributors
(may include duplicates and/or subsidiaries)

Blu-Ray HD DVD

1K Studios, LLC
Acer Incorporated
Adobe Systems
Advanced Micro Devices, Inc.
Allion Test Labs, Inc.
Almedio Inc.
Alpine Electronics Inc.
Alticast
Aplix Corporation
ArcSoft, Inc.
Arima Devices Corporation
ashampoo GmbH & Co. KG
ASV Corp.
AudioDev AB
Avid Development GmbH
B&W Group
B.H.A. Corporation
BASF AG
BluFocus Inc.
Bose Corporation
Brickbox Digital Media
Broadcom Corporation
Canon Inc.
Cheertek Inc.
China Hualu Group Co., Ltd.
Cinram Manufacturing Inc.
CMC Magnetics Corporation
Corel Corporation
Cryptography Research Inc.
Custom Technology Inc.
CustomFlix Labs, Inc.
CyberLink Corp.
D&M holdings, Inc.
D-Box Technologies Inc.
Daewoo Electronics Corporation
Daikin Industries, Ltd.
DATARIUS Technologies GmbH
Daxon Technology Inc.
DCA Inc.
Deluxe Media Services Inc.
Dolby Laboratories Inc.
Dr. Schwab Inspection Technology GmbH
Dreamer Co., Ltd.
DTS, Inc.
Eclipse Data Technologies
Elpida Memory, Inc.
Esmertec
Expert Magnetics Corp.
Falcon Technologies International
FUJIFILM Corporation
Fujitsu Ltd.
Fujitsu Ten Ltd.
Funai Electric Co., Ltd.
GalleryPlayer Media Networks
Gear Software
General Members
Gibson Guitar Corp.
Global Machinery Co., Ltd.
Gowell Electronic Limited
Hie Electronics, Inc.
Hoei Sangyo Co., Ltd
Horizon Semiconductor.
IMAGICA Corp.
Imation Corp.
Info Source Multi Media Ltd.
INFODISC Technology Co., Ltd.
Infomedia Inc.
Intersil Corporation
Iwatsu Test Instruments
Kenwood Corporation
Kobe Steel Co. Ltd.
Konica Minolta Opto Inc.
Lauda Co. Ltd.
Lead Data Inc.
LEADER ELECTRONICS CORP
Lenovo
LINTEC Corporation
Lionsgate Entertainment
LITE-ON IT Corporation
Macrovision Corp.
Magnum Semiconductor, Inc.
MainConcept AG
MediaTek Inc.
Meridian Audio Ltd.
MIT Technology Co., Ltd.
Mitsubishi Kagaku Media Co.Ltd.
Mitsui Chemicals Inc.
Mitsumi Electric Co., Ltd.
Monster Cable Products
Moser Baer India Limited
MoSys Incorporated
Must Technology Co., Ltd.
MX Production Services
NEC Electronics Corporation
NEC Personal Products Ltd.
Nero
Netflix Inc.
Newtech Infosystems Inc.
NexWave Solutions
NHK Technical Services, Inc.
Nichia Corporation
Nikkatsu Corporation
NTT Electronics Corporation
nVidia Corporation
OC Oerlikon Balzer AG
Omnibus Japan Inc.
Onkyo Corporation
Online Media Technologies Ltd.
Ono Sokki Co., Ltd.
OPT Corporation
Optodisc Technology Corporation
Origin Electric Co., Ltd.
Osmosys SA
Pico House
Pixela Corporation
Plannet Associates
PoINT Software & Systems GmbH
Pony Canyon Enterprise
Primera Technology, Inc.
Prodisc Technology Inc.
Pulstec Industrial Co., Ltd.
Q-TEC, Inc.
Quanta Storage Inc.
Quantized Systems
Realtek Semiconductors
Ricoh Co., Ltd.
Rimage Corporation
Ritek Corporation
Sanyo Electric Co., Ltd.
ShibaSoku Co. Ltd.
Sigma Designs Inc.
Silicon Integrated Systems Corporation
Singulus Technologies
Sonic Solutions
Sony BMG Music Entertainment
ST Microelectronics
Sunext
Taiyo Yuden Co., Ltd.,
Targray Technology International Inc.
TEAC Corporation
Teijin Chemicals Ltd.
Texas Instruments, Inc.
The Cannery
THX Ltd.
Toei Video Company Ltd.
Toho Company, Ltd.
Toppan Printing Co., Ltd.
TOPTICA Photonics AG
Trailer Park
UmeDisc Ltd.
Universal Music Group, Inc.
Victor Company of Japan, Ltd.
VideACE Inc.
Visionare Corporation
Yamaha Corporation
Yokogawa Electric Corporation
Zentek Technology Japan, Inc.
ZOOtech Ltd.
Zoran Corporation

Acer Inc.
ACSES Co.,Ltd.
Ad Seeds Co.,Ltd
Allion Test Labs, Inc.
Almedio Inc.
Alpine Electronics, Inc.
Altech Ads Co.
ArcSoft, Inc
AudioDev AB
B.H.A Corporation
Bandai Visual Co.
BEKO Elektronik
Broadcom Corporation
Canon Inc.
CDN Corporation
Clariant Japan
CMC Magnetics Corporation
Corel Corporation
CyberLink Corp
D&M Holdings Inc.
Daikin Industries
Daiko.co,ltd.
Daxon Technology Inc.
Dedicated Devices, Inc.
DigiOn, Inc.
Digital Site Corporation
Disc Labo Corp.
Dolby Labs, Japan
Dr. Schwab Inspection Technology GmbH
DT Japan, Inc.
DTS, Inc.
Ebistrade, Inc.
Entertainment Network Inc.
Exa International
Expert Magnetics Corp.
Finepack . Co.,LTD
Flag,Inc.
Fuji Photo Film Co.
Fuji Plastic Co.
Fuji Seiki Co.
Fujitsu Limited.
Funai Electric Co.
Gear Software, Inc
Gibson Musical Instruments
GM Records
Hamamatsu Metrix co.,ltd.
Hitachi Corporation
Hitachi Maxell, Ltd.
Hoei Sangyo Co.
IDE-AVA
IMAGICA Corp.
Imation Corp
Info Source Multi Media Korea Ltd.
Infodisc Technology Co.
Intel Corporation
Itri
Jp Co., Ltd
Justsystem Corporation
Kadokawa Holdings, Inc.
Kaleidescape, Inc.
Kenwood Corporation
Kinyosha Printing Co.
Konica Minolta Opto, Inc.
Lenovo Japan
McRay Corporation
Megan Media Holdings Bhd
Microsoft Corporation
Mitomo Co., Ltd
Mitsubishi Kagaku Media Co., Ltd. / Verbatim
Mitsui Chemicals, Inc.
Moser Baer India Ltd
MPO INTERNATIONAL
Nero AG
NetBlender, Inc.
NHK Technical Services, INC.
Nichia Corporation
Nihonvtr Inc.
Nikkatsu Corporation
nixbu Entertainment GmbH & Co. KG
Oerlikon Japan Co., Ltd.
Omnibus Japan
Onken Corporation
Onkyo Corporation
Online Media Technologies Ltd.
Origin Electric Co.
Outpost FX (AB) International
Paramount Home Entertainment
Pegasys, Inc.
Pico House Co.,Ltd
Pixela Corporation
Plasmon OMS Sarl
Pony Canyon Inc.
PonyCanyon Enterprise INC.
Proboxx, Inc
Prodisc Technology Inc.
Protron Digital Inc.
Pryaid Records Inc.
Pulstec Industrial Co.
Q-Tec,Inc.
Query inc
Ricoh Co.
Ritek Corporation
Sanken Media Product Co., Ltd.
Shibaura Mechatronics Corporation
Sonic Solutions
Sonopress GmbH
Sumitomo Heavy Industries. Ltd
Super Vision, Inc.
Taiyo Yuden Co.
Teac Corporation
Teijin Chemicals Ltd.
Toei Video Co.
Toemi Media Solutions Limited
Toho Company, Limited.
tokyo laboratory ltd.
Toppan Printing Co.
Toptica Photonics AG
Toyo Recording Co.
Transmix Co.
Trendy Corporation
U-Tech Media Corp.
Ulead Systems, Inc.
Universal Pictures
Vap Inc.
Visionare Corporation
Warner Home Video Inc.

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