For instance th Xiaomi Ultra 17's main camera is faulted for having shallow depth of field or "autofocus decision errors", which I assume just means the auto selected subject wasn't the person straight in front of the camera ? [0]
These tests seem to be about versatility and predictability more than sheer performance.
Wow, with a lens that big on a smartphone I'd certainly hope it was fantastic: https://www.dxomark.com/smartphones/Huawei/Pura-80-Ultra
The lens is big but the phone is still the same size.
The criteria can be pretty weird.
For instance th Xiaomi Ultra 17's main camera is faulted for having shallow depth of field or "autofocus decision errors", which I assume just means the auto selected subject wasn't the person straight in front of the camera ? [0]
These tests seem to be about versatility and predictability more than sheer performance.
[0] https://www.dxomark.com/xiaomi-17-ultra-camera-test/