The Samsung Galaxy Tab 4 (Model SM-T230NZ) brings several improvements over its predecessor, the Galaxy Tab 3. Primarily, it features a sleeker design with a thinner profile and lighter weight, enhancing portability and comfort during extended use. The display has been upgraded to a vibrant 7-inch WXGA screen, offering a resolution of 1280 x 800 pixels, which provides sharper images and more vivid colors compared to the 1024 x 600 resolution found in the previous model.Internally, the SM-T230NZ benefits from an upgraded processor. It is powered by a more efficient quad-core CPU that ensures smoother multitasking and improved overall performance. This is complemented by an increase in RAM, providing better support for running multiple applications simultaneously, making the device more capable for everyday tasks and entertainment.Additionally, the Galaxy Tab 4 comes with enhanced storage options. Users can opt for models with increased internal storage and the convenience of a microSD card slot that supports up to 64 GB, allowing for extensive media libraries and app collections without compromising device performance.The improvements in software are also notable, as it ships with the latest version of Android at the time of its release, offering a more refined user interface and access to the latest applications and features. Samsung has also included additional software enhancements such as multi-window support, making it easier to use multiple apps side by side, which is particularly beneficial for productivity.Battery life has seen improvements as well, with a reliable battery that supports longer usage times, ensuring that users can enjoy media, games, and productivity applications without frequent recharging. Furthermore, the addition of an upgraded camera system allows for higher quality photos and video recording capabilities, both front and rear.Overall, the Samsung Galaxy Tab 4 SM-T230NZ is a significant upgrade over the Galaxy Tab 3, offering users a more powerful, versatile, and visually appealing tablet experience.