Sony RX100 IV has a
20.0MP 1″ (13.2 x 8.8 mm ) sized Stacked BSI-CMOS sensor and features Bionz X processor. On the other hand, Canon M has a
18.0MP APS-C (22.3 x 14.9 mm ) sized CMOS sensor and features Digic 5 processor.
Below you can see the RX100 IV and M sensor size comparison.
As seen above, Canon M has a 2.9x Larger sensor area than Sony RX100 IV. 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
Both Sony RX100 IV and Canon M 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 IV has scored 70, 5 points higher than M.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX100 IV |
70 |
22.9 bits |
12.6 Evs |
562 ISO |
Canon M |
65 |
22.1 bits |
11.2 Evs |
827 ISO |