The corners on the S25 Ultra are a bit more rounded, the edges are flatter, and the bezels seem to be slightly thinner. The S25 and S25+ models have the same screen size as the S24 models, at 6.2 and 6.

The Galaxy S25 is a tale of two AIs: Gemini and Bixby. Yes, while Google's Gemini AI assistant sits at the forefront—it can finally be triggered through a long press of the power button—Samsung is bringing its original Bixby voice assistant out from the shadows.

One of the standout One UI 7 features is Now Brief, an AI-driven tool that provides users with personalized summaries according to their preferences. For example, in the morning, users can check their daily schedules and get energy scores from their Samsung wearables.