Both Canon M100 and Canon M3 have APS-C sized 24.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the M100 and M3 sensor size comparison.
Canon M100 and Canon M3 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 M100 and Canon M3 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, M100 has scored 79, 7 points higher than M3.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon M100 |
79 |
23.5 bits |
13.0 Evs |
1272 ISO |
Canon M3 |
72 |
22.8 bits |
11.8 Evs |
1169 ISO |