Nikon S33 has a
13.0MP 1/3.1' (4.7 x 3.5 mm ) sized CMOS sensor . On the other hand, Olympus FE-5010 has a
12.0MP 1/2.3-inch (6.08 x 4.56 mm ) sized CCD sensor .
Below you can see the S33 and FE-5010 sensor size comparison.
As seen above, Olympus FE-5010 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.