Retina Display

iPhone 4 preview

By Rene Ritchie, Sunday, Jun 13, 2010 a 5:35 pm

Everything you need to know about Apple's new iPhone 4

iPhone 4 is the most significant hardware revision to Apple's widescreen iPod, breakthrough internet communicator, and phone since the original iPhone 2G was released in 2007. But how significant is it? Apple CEO Steve Jobs said there were over 100 new features and singled out 8 for special attention. We'll take the most interesting of both and see just how important they are, after the break.

(For more on the software, see our massive iOS 4 feature walkthrough).

Does the iPhone 4 really have Retina Display?

By Georgia, Saturday, Jun 12, 2010 a 12:52 pm

Apple states that the iPhone 4's 3.5-inch display has 614,400 78 micrometer-wide pixels which gives us a density of 326 ppi (pixels per inch). Apple claims this will give the iPhone 4 a, "pixel density so high that the human eye is unable to distinguish individual pixels" (at 12 inches). So, is this just a bit of marketing magic or does the iPhone 4 display really venture beyond the limits of the human eye?

Do you want your iPhone apps sharpened up for iPhone 4's Retina Display?

By Rene Ritchie, Wednesday, Jun 9, 2010 a 12:50 pm

Do you want your iPhone apps sharpened up for iPhone 4's Retina Display? iPhone 4 has a whopping 960x480 screen which is literally 4 times (twice vertical, twice horizontal) the pixel size, but the same physical size, as previous generation iPhone 2G, iPhone 3G, and iPhone 3GS. That's a density of over 300dpi -- print magazine quality. Existing apps will just seamlessly use 4 pixels on the iPhone 4 compared to 1 pixel on previous gen iPhones, so they'll look identical.