Sony A6400 has a
24.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Bionz X processor. On the other hand, Sony RX10 has a
20.0MP 1-inch (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Bionz X processor.
Below you can see the A6400 and RX10 sensor size comparison.
As seen above, Sony A6400 has a 3.2x Larger sensor area than Sony RX10. 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 A6400 and Sony RX10 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, A6400 has scored 83, 14 points higher than RX10.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A6400 |
83 |
24.0 bits |
13.6 Evs |
1431 ISO |
Sony RX10 |
69 |
22.9 bits |
12.6 Evs |
474 ISO |