FujiFilm F300EXR has a
12.0MP 1/2-inch (6.4 x 4.8 mm ) sized CCD sensor and features EXR processor. On the other hand, Olympus TG-3 has a
16.0MP (1/2. ) sized BSI-CMOS sensor and features TruePic VII processor.
Below you can see the F300EXR and TG-3 sensor size comparison.
As seen above, FujiFilm F300EXR has a infx Larger sensor area than Olympus TG-3. 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.