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 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/