The Asus Zenfone 10 has all the power of the Galaxy S23 Ultra, but without the massive size. Can it really take on the smaller Galaxy S23?

After using the tiny Asus Zenfone 10 for a few weeks, I had second thoughts about using the Galaxy S23 Ultra again. But I'm so glad I made the change.

For example, the Zenfone 10 was a major Galaxy S23 Ultra competitor, and the Zenfone 12 Ultra could play the same role for the Galaxy S25 Ultra.

Asus' Zenfone 10 adds a bagful of new features to keep the small but mighty phone competitive with other flagship Android phones.

The Zenfone 12 Ultra is one of the best phones I used in 2025. There's just one problem — I don't think you should buy it.

For comparison, the Pixel 7 is 73mm wide, and the Samsung Galaxy S23 Ultra is 78mm, so the Zenfone 10 should be more comfortable to hold even if you've got smaller hands.

The Zenfone 12 Ultra has various AI features like AI Portrait Video, AI tracking, AI Unblur, Circle to Search, AI Article and Document summaries. These are some reasonable specs, but unfortunately, ...

Last year's Zenfone 9 has the same screen size and a similar design. It was only 68.1mm wide, which is even narrower than Samsung's smallest Galaxy S23 or the Google Pixel 7.

For Asus fanboys, the Zenfone 12 Ultra flagship phone boasts a Snapdragon 8 Elite chip and AI features to give you a different mobile game experience.

The Asus Zenfone 10 is that rarest of beasts: a small phone that's actually powerful. While most high-end phones like the Samsung Galaxy S23 Ultra or Apple's iPhone 14 Pro Max stretch your pockets ...

Samsung Galaxy S23 Ultra specs compared to Asus Zenfone 10. Detailed up-do-date specifications shown side by side.