Rumors of a Windows RT powered Nokia tablet have been going around since at least March (http://blog.gsmarena.com/nokia-to-release-a-snapdragon-powered-10-windows-8-tablet-in-q4/) last year and a potential slip-up at a Nokia event in Pakistan will only fuel that fire. An image shown during the presentation featured a Windows RT tablet sandwiched between a Nokia Lumia 620 and a desktop monitor displaying the Windows Start screen.
Measuring the ratio of the Lumia 620 screen and the unknown tablet, we arrived at around 11.6 inches screen diagonal. That