Nikon A10 has a
16.0MP 1/2.3' (6.17 x 4.55 mm ) sized CCD sensor . On the other hand, FujiFilm F80EXR has a
12.0MP 1/2-inch (6.4 x 4.8 mm ) sized CCD sensor and features EXR processor.
Below you can see the A10 and F80EXR sensor size comparison.
Nikon A10 and FujiFilm F80EXR have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the same focal length and aperture.