I tried sony experia Z1, the camera is so much smoother compared to GN3.
The "smooth" I meant is no motion blur when you move your camera (not taking pictures yet or recording video).

In contrast, GN3 is stuttering if you move your camera around. (not taking pictures yet)

Not sure how to explain the situation, hope some1 else can elaborate better.

Thanks for clarifying.
Personally, I think this little simple trick is very essential.
It makes the user experience of using the camera much superior than other phone.

I used to show off the camera of GN3 to my gf.
I said GN3 can shoot very clear image under good light condition.
But she always complain GN3 is very bad in low light condition, and I pretty much agree with her.

Now, after seeing the smoothness of xperia Z1, she ask me:
"why your camera so lag 1?? your 1 not fastest phone meh??"

I