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HomeCommon ProblemWhat is the difference between Blu-ray DVD and ordinary DVD

The difference between Blu-ray DVD and ordinary DVD: 1. The capacity of Blu-ray DVD is 25 or 27GB, while the capacity of ordinary DVD is 4.7GB; 2. Blu-ray uses blue-violet laser with a wavelength of 405 nanometers To perform reading and writing operations, DVD discs use a red laser with a wavelength of 650 nanometers for reading and writing operations; 3. Blu-ray discs must be played with a Blu-ray player, while ordinary DVD players can only play DVD and CD discs.

What is the difference between Blu-ray DVD and ordinary DVD

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

What is the difference between Blu-ray DVD and ordinary DVD?

1. The difference in capacity between DVD discs and Blu-ray discs

The capacity of Blu-ray DVD discs is 25 or 27GB, which is enough to burn a 4-hour high-resolution video . Dual layer can reach 46 or 54GB, which is enough to burn a high-resolution video of up to 8 hours. Those with capacities of 100 or 200GB are tier 4 and tier 8 respectively.

The average DVD disk capacity is 4.7GB, and the current maximum DVD capacity is 17.0GB.

2. The difference between reading and writing between DVD discs and Blu-ray discs

Blu-ray discs use a blue-violet laser with a wavelength of 405 nanometers for reading and writing operations, while DVD discs use a wavelength of 650 nanometers Nano red laser performs reading and writing operations.

3. The difference between DVD disc and Blu-ray disc playback equipment

Blu-ray discs must be played with a Blu-ray player, while Blu-ray players can usually play ordinary DVD discs. Ordinary DVD players can only play DVDs and CDs, but not Blu-ray discs.

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