The design of the Samsung Galaxy S9 and S9 Plus is similar to that of their predecessors, the S8 and S8 Plus. The camera has had a big upgrade though, so you can now film in super slow motion. The speakers have also improved compared to their predecessors. The Samsung Galaxy S9 and S9 Plus have dual stereo speakers, so you'll enjoy extra powerful sound. The Samsung S9 Plus distinguishes itself from the Samsung S9, thanks to the dual camera and a larger internal memory.