Blu-ray and DVD are both digital optical disc storage formats. They are both capable of storing high-definition video, but Blu-ray discs can store up to 50 gigabytes of data, compared to DVDs, which can store up to 8.5 gigabytes. 

Blu-ray discs use a blue-violet laser to read and write data, while DVDs use a red laser. This is why Blu-ray discs can store more data. The blue-violet laser is able to penetrate more deeply into the disc, allowing for more data to be stored. 

Blu-ray players also typically come with additional features, such as the ability to stream content from …