With apologies to Apple, Panasonic now has one of the highest-resolution tablets on the market. At CES 2014, Panasonic debuted its Toughpad 4K UT-MA6 tablet, whose 20-inch screen sports a resolution of 3840 x 2560 pixels. Meant for graphic artists and designers, the tablet starts at $5,999, enough to buy 14 iPad Airs, and have money left over.