I tested the two best Android flagship phones of 2025 - and the winner is not so obvious

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OnePlus is ending 2025 with a bang. The OnePlus 15 has arrived early, and it takes on the heavyweights like Samsung Galaxy S25 Ultra without costing a thousand dollars (unless you configure it with more storage and RAM). It offers a big and bright display, the latest Qualcomm flagship processor, a huge battery, and much more. 

So, should anyone buy the Galaxy S25 Ultra in today's market? It turns out, there are still several reasons to spring for Samsung's flagship, even if OnePlus is the new hotness.

Also: Thousands of readers bought these phones in 2025, but none of us expected no. 1

If you are undecided between the two phones or just want to compare the latest OnePlus 15 to the Galaxy S25 Ultra, you're in the right place. I compared the two ...