How good is Lumia 925 compared to 920?

I just looked up some comparison photos of both 920 and 925 and it looks like 920 after Amber update takes fantastic shots compared to 925.

Considering the fact that 920 is much cheaper than 925 & with double the memory, is 920 still a better buy than 925?

Source:
http://allaboutwindowsphone.com/features/item/18194_Amber-powered_Nokia_Lumia_920_.php