But, the Nokia has a 1/1.2" sensor. That's huge -- almost 5.5x times the surface area of the iPhone 5's sensor. It's almost as large as the sensor in a Nikon 1 or Sony RX100 series camera.
Yes, the pixels are small at ~1.44 microns (I think most experts consider 6 microns to be the "ideal" size) so I would think the pixel density is actually lower than most cameraphones (the iPhone 5 is around ~1.39 microns).
Yes, the pixels are small at ~1.44 microns (I think most experts consider 6 microns to be the "ideal" size) so I would think the pixel density is actually lower than most cameraphones (the iPhone 5 is around ~1.39 microns).