Both Olympus SH-1 and Samsung Galaxy Camera 3G have 16.0 MP resolution sensors but Olympus SH-1's sensor is 1/2.3' (6.17 x 4.55 mm ) and Samsung Galaxy Camera 3G's sensor is 1/2.3-inch (6.17 x 4.55 mm ).
Since Samsung Galaxy Camera 3G's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Olympus SH-1.
Below you can see the SH-1 and Galaxy Camera 3G sensor size comparison.
Olympus SH-1 and Samsung Galaxy Camera 3G 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.