Sony

5.5 inch display
Android 7.0 Nougat Operating System
Quad-core 1.45 GHz  Processor
up to 256 GB Memory Card Slot
16 GB Internal Memory
2 GB RAM
13 MP Rear Camera
5 MP Front Camera
Non-removable Li-Ion 2620 mAh battery

5.0 inch display
Android 7.0 Nougat Operating System
Octa-core 4×1.6 GHz Processor
up to 256 GB Memory Card Slot
32 GB Internal Memory
3 GB RAM
23 MP Rear Camera
8 MP Front Camera
Non-removable Li-Ion 2300 mAh battery

5.2 inch Display
Android 6.0.1 Marshmallow Operating System
Octa-Core 2×1.6GHz Processor
up to 256GB Memory Card Slot
32 GB Internal Memory
3 GB RAM
23 MP Rear Camera
13 MP Front Camera
Non-removable Li-Ion 2900 mAh battery