iPad 3 will have a retina display?

There are evidences in the internet showing the resolution of the next iPad. iPad 3 will have a resolution of 2048×1536 pixels which are 3-4 times more than these on iPad 2, this is written in the iOS SDK, so we can suggest that iPad 3 will have a retina display.  According to guesses, iPad 3 will be presented at the same time like iPhone 5.