HP Slate8 Pro official Pictures. HP Slate8 Pro is a Smartphone of hp. The HP Slate8 Pro Android Tablet. Announced Dec 2013. Features 8.0″ Display, Nvidia Tegra 4 T40 S Chipset, 8 MP Primary Camera, 5680 MAh Battery, 16 GB Storage, 1000 MB RAM, Corning Gorilla Glass 3. HP Slate8 Pro price starts.