The Galaxy Tab 3 7.0, Galaxy Tab 3 8.0 and Galaxy Tab 3 10.1 are all currently up for pre-order and will go on sale July 7 for $200. $300. and $400. respectively. The clear winner so far seems to be the 8 inch size. It has 1.5GB of RAM, the latest 4.2 jelly bean OS software, 16GB of onboard storage and a resolution of 1280 x 800 pixels.