Both Sony RX10 and Canon G9 X II have 20.0 MP resolution sensors but Sony RX10's sensor is 1-inch (13.2 x 8.8 mm ) and Canon G9 X II's sensor is 1″ (13.2 x 8.8 mm ).
Since Canon G9 X II's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Sony RX10.
Below you can see the RX10 and G9 X II sensor size comparison.
Sony RX10 and Canon G9 X II 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 Sony RX10 and Canon G9 X II 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, RX10 has scored 69, 4 points higher than G9 X II.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX10 |
69 |
22.9 bits |
12.6 Evs |
474 ISO |
Canon G9 X II |
65 |
21.9 bits |
12.5 Evs |
522 ISO |