What is iPhone 4 Retina Display?

Thanks to www.engadget.com at WWDC


10:36AM "Second one, this is a biggie. Something we call the Retina Display. What’s that? In any display there are pixels. We dramtically increased the pixel density, Four times the amount."

apple wwdc 2010 173 rm eng

10:37AM "Why is that important? Let’s say we want to draw the letter A — as you can see, we can get far more precision. And we play all sorts of tricks." He’s showing anti aliasing.

apple wwdc 2010 174 rm eng

apple wwdc 2010 175 rm eng

10:37AM "Because we have four times as many pixels, we get really, really sharp text. Now the retina display as 326 pixels per inch." Wow.

apple wwdc 2010 179 rm eng

apple wwdc 2010 176 rm eng

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