More power is being built into smaller tablet devices.

Apple announced iPad Air and iPad mini on Tuesday, its latest tablets that will go on sale in November. The iPad Air, with a 9.7-inch screen, is 20 percent thinner and 28 percent lighter (weighing one pound)  than the fourth generation iPad. Apple's new tablets come with a retina display that the company claims will make web pages, text, images and video look more realistic, according to a press release. Built-in cameras will have improved illumination sensors,.

The news comes on the heels of Microsoft releasing its latest tablets, Surface 2 and Surface Pro 2, in stores Tuesday morning. The latest Surface tablets, also lighter, come stocked with improved processing power, greater battery life, and higher camera resolution than their predecessors.

Tablets have been influencing bank web design makeovers. However, only seven of the top 13 banks offer native iOS tablet apps while only two banks have a native Android app, according to a September tablet report by Celent.