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Previous iPhone Vs iPhone 4’s Retina Display

June 24, 2010

With the increase of pixel density on the iPhone 4 from the previously renown iPhone models (iPhone 2G, iPhone 3G, and iPhone 3GS) to a new Retina Display, the iPhone now has a much more crispier display to view High Definition quality images and videos.

‘PPI’ stands for pixels per inch, describing how much pixel density is within an inch of the display. The higher the nominal, the more dense and less pixelated the image becomes. Check out the specs below:

Previous iPhone Models (iPhone 2G, iPhone 3G, and iPhone 3GS)
These iPhone models have a display of 163 ppi with a screen resolution of 480×320 pixels.

iPhone 4
The iPhone 4 has a much higher pixel density than it’s predecessors, displaying 326 ppi with a screen resolution of 960×640 pixels at the same screen size 3.5-inch (diagonal) as the previous iPhone models.

Why the iPhone 4’s display is called ‘the Retina Display’ is because according to researchers, at a normal length view, 326 ppi resembles that of our eye’s capability to see true object resolution. To show a better comparison of both the iPhone displays, Engadget.com has managed to capture a fine quality image (above) of the Maps app icon on both the devices. Now judge for yourself, whether the High Definition is worth the upgrade?

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