The biggest change, perhaps, between the previous models and the DSi is the removal of the GBA port. The sound changing button has been moved to the left-hand side.The startup tone no longer differs on the owner's birthday.Certain DS game-card games are region-locked on the DSi and later models, such as the Japanese versions of Pokémon Black and White.Applications from the Nintendo DSi Shop are region-locked.Integrated Photo application and music playback.New user interface similar to that of Wii.In later models this software, along with Flipnote Studio, is already installed.Free-to-download Opera Internet browser available at launch.Nintendo DSi Shop from which DSi applications can be bought using Nintendo Points.SD card slot added to transfer photos and music between DSi, Wii, PC and digital cameras.Four times as much RAM (16 MB in comparison to 4 MB of the previous systems).Doubled main CPU clock rate (133 MHz in comparison to 67 MHz of the previous systems).Two 0.3-megapixel cameras inside and on the back of the system with a maximum resolution of 640x480.Screens are 3.25 inches, an increase of.Pokémon Brilliant Diamond and Shining Pearl.
