In terms of hardware, we should expect to see the Galaxy Note 3 get an update internally, but only minimal changes on the outside. The design of the Galaxy Note 2's 5.5-inch screen size may be much bigger than Apple's iPhone 5, but clearly there's a market for "phablets," and the device sold 3 million units in a month.
That being said, Android Geeks claims that the Samsung Galaxy Note 3 may have a bigger display. The reasoning behind a bigger screen is that competitors are making a 5.5-inch screen to compete with the Galaxy Note and Galaxy S3. For instance, recent rumors indicated Apple may be preparing for a larger iPhone in the coming months. In order to remain a cut above the rest, Samsung must increase the screen size of the Galaxy Note 3 to 6.3 inches, almost a full inch bigger than its predecessor, according to Android Geeks. The device may have a resolution of 1080 x 1920 pixels and be made of Gorilla Glass.
The processor on the Galaxy Note 3 is set for an update after Samsung introduced the Exynos 5 Octa chip. Thanks to big.LITTLE technology and built on 28 nm architecture, the Exynos 5 Octa has four cores clocked at 1.8 GHz and another four that were clocked at 1.2 GHz. The Exynos 5 Octa may also be included in the Samsung Galaxy S4, rumored to be released in mid-March.