What camera resolutions does vivo iQOO U3 feature?

Here are details about the vivo iQOO U3's camera sensors:
Rear Camera : 48 megapixel
Front Camera : 20 megapixel
Camera Options : 48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF
2 MP, f/2.4, (depth)