The Galaxy S25 Ultra is one of the best Android flagship phones money can buy, but is it enough of an upgrade over the S23 Ultra?

A YouTuber placed the Galaxy S25 Ultra in two major battery tests to check its supposed longevity and charging improvements. One charging test marked swifter charging speeds over the S24 Ultra while a battery drain test displays Samsung's work at extending its life cycle.

All three phones have the same prices as last year's Galaxy S24 family, but they've all seen changes: The standard $800 S25 has all the new AI tricks and upgrades, the $1,000 S25 Plus builds on that with more storage and battery in a larger-format handset and finally the most premium (and most expensive) $1,