Nikon S33 has a
13.0MP 1/3.1' (4.7 x 3.5 mm ) sized CMOS sensor . On the other hand, Ricoh GXR P10 28-300mm has a
10.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor and features Smooth Imaging Engine IV processor.
Below you can see the S33 and GXR P10 28-300mm F3.5-5.6 VC sensor size comparison.
As seen above, Ricoh GXR P10 28-300mm has a 1.7x Larger sensor area than Nikon S33. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.