What camera resolutions does HTC One 32GB feature?

Here are details about the HTC One 32GB's camera sensors:
Rear Camera : 4 megapixel
Front Camera : 2.1 megapixel
Flash : LED
Camera Options :
+ Back-illuminated sensor (BSI)
+ Continuos Shooting
+ Effects
+ Face detection
+ Geo tagging
+ Optical image stabilization
+ Scenes
+ Self-timer
+ Simultaneous HD video and image recording
+ Smile detection
+ UltraPixel BSI image sensor