This is Blu-ray's strongest playing card, a single layer Blu-ray disc can hold 25 GB of data. This is compared to the 4.5 GB on a standard DVD. As mentioned before, a dual layer Blu-ray disc can hold 50 GB. This amount of storage allows the disc to capture a full 1080p High Definition image. It has a resolution of 1920 by 1080 progressively scanned pixels. A standard DVD has 720 by 480 pixels. Another benefit of the Blu-ray disc is it has a much wider bandwidth than a DVD. It can produce signals at speeds up to 48 Mbps. This is 6 times quicker than DVD's 8 Mbps.
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