Would a 2048x1536 iPad 3 qualify as a Retina display?
Even if the iPad 3 does indeed come with a 9.7-inch, 2048x1536 screen, would that still qualify as a "Retina display"? Does Retina display even have official qualifications? Ever since Apple adopted Retina display as the name for the iPhone 4's high pixel density screen, there's been some confusion as to both of those things. At 330dpi, the iPhone 4 and iPhone 4S seems obvious. At 264dpi, a theoretical iPad 3 not so much.
Heroically, TUAW's Richard Gaywood has busted out the tape measure and done the math, and not just about the iPad 3, and here's his determination.
Retina is a function of distance as much as density, so the larger the screen, the further you hold it from your eyes, and the lower the density needs to be to effectively "disappear".
Richard's whole post is outstanding, and includes discussion on Retina display Macs as well, so be sure to hit the link below.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.