Thursday, August 30, 2012

How many pixels can Apple pack into a 4-inch screen?


'So that is the Retina Display. Awesome text, awesome images, and awesome video.' -- Apple CEO Steve Jobs on the iPhone 4's new screen, Apple Worldwide Developers Conference, June 7 2010.


(Credit: James Martin/CNET)

A bigger screen on the iPhone 5 means more pixels in order to maintain the Retina branding. So, what can we expect exactly?


I asked Paul Semenza, senior vice president of analyst services at NPD DisplaySearch.


"To the best of our knowledge, the display will be 4 inches, with the same 326 ppi [pixels per inch] resolution, which would make it 1,136x640," he said, confirming current speculation.


That would keep the ppi ahead of popular phones like the 4.8-inch Samsung Galaxy S III (306 ppi at 1,280x720 resolution) and the 4.7-inch HTC One X (312 ppi at 1,280x720 resolution).


And would hike the number of pixels to an estimated 727,040 compared to 614,400 on the current iPhone 4/4S with a 3.5-inch display.


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Semenza continued. "You can think of [it] as a widescreen version of the double-VGA format in the 4s," he said.


Another marquee upgrade will be in-cell touch tech. "Also, we expect the display to have in-cell touch, which means the touch sensor is integrated into th... [Read more]



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