Both Sony RX100 III and Sony RX100 VII have 1″ sized 20.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the RX100 III and RX100 VII sensor size comparison.
Sony RX100 III and Sony RX100 VII 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 RX100 III and Sony RX100 VII 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, RX100 III has scored 67, 4 points higher than RX100 VII.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX100 III |
67 |
22.4 bits |
12.3 Evs |
495 ISO |
Sony RX100 VII |
63 |
21.8 bits |
12.4 Evs |
418 ISO |