Both Canon S95 and Canon S90 have 1/1.7-inch sized 10.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the S95 and S90 sensor size comparison.
Canon S95 and Canon S90 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.
DxOMark Sensor Scores
Both Canon S95 and Canon S90 sensors have been tested by DxoMark. DxoMark 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. Of the two cameras that we are comparing, S95 has scored 47, 1 points higher than S90.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon S95 |
47 |
20.4 bits |
11.3 Evs |
153 ISO |
Canon S90 |
46 |
20.2 bits |
11.0 Evs |
185 ISO |