Z5 (5,2"), Z5 Compact and Z5 Premium are the 3 flagships.
Specs confirmed for all the Z5s:
Finger print reader Up to 2 days of battery lifeStill water and dust resistant with a special mirco USB portXperia logo engraved on the aluminium side (because it's more premium)
Specs confirmed for the Z5 Premium:
5.5" 4K Screen 23 Mpx camera (0.03 sec autofocus) | 5x Zoom without quality loss (No more details on this) | (this new camera is apparently on all the Z5s but I'm not sure)
收工睡觉
From reddit