Over a year since it dipped into generative artificial intelligence, Samsung’s Galaxy S-series phones are now the vanguard for its gen-AI features. This year, we’re getting even deeper hooks into Google’s Gemini AI assistant and more built-in software tricks than ever before.

The Samsung Galaxy S25 has arrived, and it's looking to usurp its Galaxy S24 predecessor with revamped innards and shiny new features. Whether you’re thinking of upgrading from your Galaxy S24 or are weighing up whether it’s worth snapping up last year’s handset to save you some cash, this Galaxy S25 vs S24 comparison should see you in good stead.

The S25 Ultra is lighter at 218g compared to the 233g that the S24 Ultra weighs. In addition, the S25 Ultra has a more rounded, flat design when compared to the S24 Ultra. Samsung says that the S25 Ultra is 0.4 mm thinner than the Galaxy S24 Ultra.