Canon S100 has a
12.0MP 1/1.7-inch (7.44 x 5.58 mm ) sized CMOS sensor and features Digic 5 processor. On the other hand, Olympus E-P5 has a
16.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor .
Below you can see the S100 and E-P5 sensor size comparison.
As seen above, Olympus E-P5 has a 5.4x Larger sensor area than Canon S100. 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.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Canon S100 and Olympus E-P5 sensors have been tested by DxO and the results show that E-P5 has a better overall score of 72, 22 points higher compared to S100's score of 50.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon S100 |
50 |
20.7 bits |
11.6 Evs |
153 ISO |
Olympus E-P5 |
72 |
22.8 bits |
12.4 Evs |
895 ISO |