Nokia Lumia 1020 or Nokia 808 Pureview,which has the best camera (Only The CAMERA)?

I know lumia 1020 is advanced in all aspects (software,hardware etc)… But i'm confused which has the better camera… Both has 41mp sensors, but i learnt that lumia 1020 has a 'little smaller sensor size (1/1.5)' compared to 1/1.2 sensor size on nokia 808…
Although Lumia 1020 has optical image stabilization(Ois), can it compensate for the minor loss to the nokia 808…
So, please guide me as to which has the best camera compared to these phones… I mainly look at the overall image & video quality and zooming capabilities…
external links for suitable answers is appreciated…
thank

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