Features Review :What's Retina Display?

iPhone 4 Features: Retina Display (Review)

What is the iPhone new features Retina Display mean?  The Retina display mean doubles the pixel display for the iPhone screen.

Comparison between iphone 3gs and iphone 4

As you might never notices ,the iPhone 3G and 3gs offered 160 ppi, while the iPad at 132.The pixel of new iPhone 4 has been increased to 326 pixels per inch.

The screen display added resolution amounts to a 960x640 display or 78-percent of the pixels as the much larger iPad. The new display also offers an 800:1 contrast ration, again 4x better, and uses IPS technology like the iPad.

 With Retina Display When make an extreme zoom at the screens. This video is perfect,thumbs up.