HP PhotoSmart R727 vs Nikon D80 camera comparison
TFT screen size on both of these models(HP PhotoSmart R727 and Nikon D80) is 2.5".
Nikon D80 has 10.2Mpix and HP PhotoSmart R727 has 6.2Mpix. It means that Nikon D80 is able to produce pictures with more details (better quality).
Nikon D80 has nicer optical zoom (7.5x) than HP PhotoSmart R727 which has 3x optical zoom.