The Galaxy S25 Ultra features the same 5,000 mAh battery as before, but now with a slightly larger 6.9-inch display. We tested it to see how its battery performs against its rivals to find out how much better it is.

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.

On the surface, it looks like Samsung did the bare minimum to release a new flagship phone. However, once you spend time with the Galaxy S25 Ultra, you'll