I recently switched to an imported phone with a bulky 1" sensor (Vivo X100 Ultra) and although far from my Sony mirrorless, the quality of shots and color science went up dramatically compared to my older Pixel 9 Pro (way overprocessed) and iPhone 13 (way oversaturated and pretty low-res). This is not to say there's no AI or strong computational component to it, but larger and more expensive sensors, which still have not found their way in mainstream phones, do bring massive advantage if they are not killed by excessive AI processing (as, sadly, I saw multiple times when test-driving Samsung Ultra phones)

Ironically enough, the Vivo ("Zeiss") color science also looks more accurate than most phones I've owned, and is pretty flexible at editing time.