Default [Q] Native camera aspect ratio

I was just wondering if the 16:9 mode that our camera defaults to is the native aspect ratio because I know I had to switch to 4:3 on my S4 to get the full 13MP resolution. I was just wondering if anyone knows if it's the same way on the One or if the lens natively shoots 4MP in 16:9
Verizon HTC One
rom/Stock 4.4.2