In Pictures: First look at the new iPad - What's ...
Unchanged: Form factor
Technically, the new iPad is minutely thicker and heavier than iPad 2. But it's almost undetectable. The Wi-Fi model is 9.50 by 7.31 x 0.37 inches, weighing 1.44 pounds. Adding 4G, adds 0.02 ounces of weight. By contrast, iPad 2 is: 9.50 x 7.31 x 0.34 inches, 1.33 pounds for Wi-Fi; and weighs 1.34 pounds when you add 3G.
In Pictures: First look at the new iPad - What's new, unchanged and still missing