Samsung CL80 has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor . On the other hand, Nikon A10 has a
16.0MP 1/2.3' (6.17 x 4.55 mm ) sized CCD sensor .
Below you can see the CL80 and A10 sensor size comparison.
Samsung CL80 and Nikon A10 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.