The duo of detachable 13.3-inch and 10.1-inch touchscreen convertibles will offer the familiar Intel-powered Windows 8 platform and - for the first time from HP - an ARM-based convertible with Tegra 4 and Android, both to launch this coming August
http://www.notebookcheck.net/HP-unveils-detachable-799-Split-x2-and-479-SlateBook-x2-hybrids.92309.0.html