The Xiaomi Mi Mix 4 will have a camera that will have a better sensor than Samsung's 64MP ISOCELL Bright GW1, said Xiaomi's Product Director Wang Teng in comment on Weibo, which has since been deleted. Sony is yet to announce a 64MP sensor (though we're sure one is coming), so there are no direct alternatives. Not yet at least. Of course "better" is pretty vague when it comes to image sensors - it could mean it's larger or has improved light sensitivity, it's not all about resolution. Realme has already confirmed that it's working on a 64MP phone with the Samsung GW1 sensor, which...