10 Important Difference Between DVD And Blu-Ray Disc (Tabular Form)

difference between dvd and blu-ray

In this article we will talk about the difference between DVD and Blu-Ray video disc. Home entertainment in 2010 is dominated by digital video discs (DVDs) and Blu-ray discs.

Blu-ray Disc capacity increases by 5 to 10 times over DVD, similar to how DVD made 5 to 10 times over CD.

While new technologies typically supersede old ones rapidly, Blu-Ray discs and DVDs appear to have been coexisting in the market for quite some time.

Blu-ray is a new disk storage format that has a number of advantages over DVDs. In this lesson, we’ll learn about Blu-ray discs and DVDs, as well as how they differ from one another.

What is DVD?

DVD stands for “Digital Versatile Disk” or “Digital Video Disc”. DVD is a technique that converts video and other digital data into a compressed form.

They are used to store any type of digital data, but it’s notably popular for storing texts, photos, music, and videos.

 It was a game changer in terms of data storage. It can store 4.7 GB of data in single layer.

It’s also available in the DVD-R and DVD-RW formats, which are both popular. They are used to write and erase data on a DVD disc.

At the end of the 1990s, this technology was made commercially available. It was designed to replace analog VHS cassettes in video cassette recorders (VCRs) and CD-ROM in personal PCs and servers.

Some people are perplexed by the difference between these two optical disks because they have the same shape, size, and appearance.

What is Blu-Ray?

Blu-ray is a digital disc storage format, similar to CD and DVD, that allows you to store and play large amounts of data in high-definition. It was primarily designed to store high-definition videos, which were previously impossible to store using DVD technology.

The name “Blu-ray” stems from the fact that it reads the disc using a blue laser, which allows for higher data density than DVD, which uses a red laser. It is recommended and produced for high-definition(HD) videos.

The storage capacity of Blu-ray discs is 25GB of data in single layer. It is obviously larger than previous disk formats.

Blu-ray discs are the same size as CDs and DVDs before them, but they can’t be played on standard CD or DVD players; instead, you’ll need a Blu-ray disc drive. However, the top Blu-ray players can also play CDs and DVDs, providing some backwards compatibility.

Difference Between DVD And Blu-Ray Disc: DVD Vs Blu-Ray

A DVD is also an optical disc storage format that can store SD videos easily.ObjectiveA Blu-ray is an optical disc format that can store digital data including HD videos.
It can store 4.7 GB of data in single layer.StorageIt can store 25 GB of data in a single layer.
720×480/720×576 (480i/576i)Video resolution (max)1920×1080 (1080p)
11.08Mbps (1x)Data transfer rate (data)36.0Mbps (1x)
9.8MbpsVideo bit rate (max)40.0Mbps
RedType of laser usedBlue
650 nmLaser wavelength405 nm
0.6 mmProtection layer0.1 mm
It produces a less sharp, less bright and less detailed images compared to Blu-Ray.Movie imagesIt produces a sharper, brighter and detailed image.
Able to operate in any video player.CD playerUnable to operate in a traditional DVD player.
They do not aid in the upgrade of movie visuals.Improve imagesThey aid in the upgrade of movie visuals.
It has normal resolution and normal audio.QualityIt has high resolution and superior audio.
Analog cables.CablesHDMI cable.
It’s thick layer meant to withstand scratching.Protective layerThe scratch-resistant protective layer is thin and has a strong coating.
DVDs can be played on any Blu-ray player. Player compatibilityBlu-ray discs cannot be played in all DVD players.
Middle of the disk.Location of the metal layerNear to the reading mechanism’s objective lenses.
RS-PC and EFM plus.Correction codesPicket codes.
0.6Numerical Aperture0.85
ManyEncodingMPEG-2, MPEG-4 AVC (H.264), and VC-1 HEVC (H.265 )
11.08 Mbit/sMaximum Bitrate (Raw data)53.95 Mbit/s
10.08 Mbit/sMaximum Bitrate (Audio+Video)48 Mbit/s
RudimentaryInteractivityBlu-Ray Disc Java
6 regionsRegion Code3 Regions (Optional), Region-free Ultra HD
OptionalHardcoating of discMandatory
DVDs are used to store: Animations, movies, and videos.UsageData storage, High-definition video (1080p) High-definition audio, Stereoscopic 3D, PlayStation 3 games, PlayStation 4 games, Xbox One games
120 mm (4.7 in) diameter, 1.2 mm (0.047 in) thicknessDimensions120 mm (4.7 in) diameter, 1.2 mm thickness
Sony Panasonic Philips ToshibaDeveloped by Blu-ray Disc Association


In comparison to a DVD disc, Blu-ray provides high data storage, high-definition quality videos, security, and compatibility, as discussed above. DVDs are still a decent choice if you don’t care about picture quality and want to save money.

However, a twin layer Blu-ray can carry up to 50 GB of data, which is 6.7 times the capacity of a dual layer DVD. As a result, as compared to DVD, blu-ray offers more storage space, data rate, security, and compatibility.

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