What camera resolutions does Lenovo Vibe X3 32GB feature?

Here are details about the Lenovo Vibe X3 32GB's camera sensors:
Rear Camera : 21 megapixel
Front Camera : 8 megapixel
Flash : Dual-color LED
Camera Options :
+ AF Phase Detection
+ Auto Flash
+ Continuos Shooting
+ Digital image stabilization
+ Exposure compensation
+ Face detection
+ Geo tagging
+ High Dynamic Range mode (HDR)
+ ISO control
+ Touch to focus
+ White balance presets