Apple iPad 3 Wi-Fi 3G Versus Sony Xperia Tablet S 3G, Which one to buy

Apple iPad 3 Wi-Fi 3G Versus Sony Xperia Tablet S 3G, Which one to buy : iPad 3 Wi-Fi + Cellular & Xperia Tablet S 3G, Full Specification Comparison: Dual-core, 1 GHz Cortex-A9, 1536 x 2048 pixels, 9.7 inches, Quad-core, 1.3 GHz Cortex-A9, 800 x 1280 pixels, 9.4 inches, Protection, Secondary Cam, Display, LTE, Pixel Density, Weight more...