Olympus E-M5 II has a
16.0MP Four Thirds (17.3 x 13 mm ) sized MOS sensor and features TruePic VII processor. On the other hand, Sony RX100 III has a
20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Bionz X processor.
Below you can see the E-M5 Mark II and RX100 III sensor size comparison.
As seen above, Olympus E-M5 II has a 1.9x Larger sensor area than Sony RX100 III. 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 Olympus E-M5 II and Sony RX100 III 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, E-M5 Mark II has scored 73, 6 points higher than RX100 III.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Olympus E-M5 II |
73 |
23.0 bits |
12.4 Evs |
896 ISO |
Sony RX100 III |
67 |
22.4 bits |
12.3 Evs |
495 ISO |