Multiple sources have confirmed that Samsung is developing a tablet sample size of 12.2 inch Galaxy Note line SM-codenamed P900. This is becoming true when rendering images of this tablet has just
been published. According to sources from @ evleaks the Galaxy Note 12.2 tablet will be equipped with 12.2-inch screen resolution and pixel 1.600x2.560 5 Octa Exynos processor.
Besides, the more likely Galaxy Note 12.2 will also come with an S-Pen stylus. Chances tablet size will be Korean electronics giant unveiled at IFA 2013 in Berlin soon opening with SmartWatch Galaxy Note III and Galaxy Gear.
Reference: Phonearena.com