What camera resolutions does vivo S9 feature?

Here are details about the vivo S9's camera sensors:
Rear Camera : 64 megapixel
Front Camera : 44 megapixel
Camera Options : 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS
8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)