Nikon S220 has a
10.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor . On the other hand, Kodak M341 has a
12.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor .
Below you can see the S220 and M341 sensor size comparison.
Nikon S220 and Kodak M341 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.