What differences between the iPad 2 and the new iPad? - I

Presented on 7th of this month, the "new iPad" does not fundamentally change from its predecessor. From the outside, nothing has actually changed, or almost: the display still measures 9.7 inches, there is a white or black depending on the model, the home button is always present in front as well as the dock connector on the edge.

So iPad 2 and new iPad, same fight? Not so fast: if seemingly nothing has changed, the differences between the two generations are undeniable. A brief overview ...

Retina display

The most visible difference when the ignition is on screen. Apple has taken the idea from the Retina display introduced with the iPhone 4 in 2010. The principle, not the number of pixels: the new iPad and offers a lower pixel density (264 dpi to 326 dpi against the phone), but the effect will be the same. Suffice to say that we should find it difficult to go back, even if it was not until the tests in real conditions to judge.

During the keynote, Phil Schiller took great pains to explain why the iPad screen is Retina. The principle is to avoid seeing the pixels in normal use. It normally takes a tablet to a greater distance than a phone and the definition of the new Apple iPad just as widely. This definition (2048 x 1536 pixels) is also higher than that of an HDTV.

More pixels on the same surface, but Apple has not sacrificed sub​​-pixels to achieve this. The manufacturer changed the layout of the pixels to keep the three subpixels (one red, one blue and one green) that make up each pixel, as explained in a video. This screen should thus be better than the previous one, with more saturated colors yet.