Both Sony A68 and Sony A6500 have APS-C sized 24.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the A68 and A6500 sensor size comparison.
Sony A68 and Sony A6500 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
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It 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. Sony A68 and Sony A6500 sensors have been tested by DxO and the results show that A6500 has a better overall score of 85, 6 points higher compared to A68's score of 79.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A68 |
79 |
24.1 bits |
13.5 Evs |
701 ISO |
Sony A6500 |
85 |
24.5 bits |
13.7 Evs |
1405 ISO |