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iPad Generation 2 Rumors: Retina Display Problems

Speculation about the next generation of iPad is growing, and many people are looking for several improvements on the hardware when the device eventually becomes available next year. A front facing camera is amongst some of the rumored new features, but one new upgrade that could be difficult to have is a Retina display.

Fred Straker of The iPad Guide is reporting that according to calculations by Ryan Block, a 9.7 inch iPad screen would exceed the capabilities of current mobile device technology. With the iPhone 4 having a smaller screen, the 330 pixels per inch works well with it. The Retina display has 614,000 pixels at 960 x 640, and each pixel has to be rendered.

Processors to power the display graphics are the same in the iPhone 4 and the current iPad, and the iPad display has 786,432 pixels at 1024 x 768. To have a Retina display on the iPad would mean a massive number of pixels, which would mean the processing hardware would be overwhelmed. To achieve a Retina screen on the iPad it would need 2560 x 1920 = 4,915,200 pixels.

Compare that to the Apple 27-inch Cinema Display which has 2560 x 1440 = 3,686,400 pixels. Current technology just won’t be able to achieve that amount of pixels on a mobile device, but Apple have surprised us before and may have some super low power graphics processor up its sleeve.

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Written by Gary Johnson

Gary has a background in engineering and passion for motorcycles, gadgets, and home cinema. In his early years, his obsession for Hi-Fi technology would see him creating the perfect setup with a good ear for sound quality. While Gary is keen to write about most topics that PR covers, his love for phones finds him reporting a lot of news about applications for iPhone, Android, and other popular operating systems

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