Both Sony a5100 and Sony A68 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 a5100 and A68 sensor size comparison.
Sony a5100 and Sony A68 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 a5100 and Sony A68 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, a5100 has scored 80, 1 points higher than A68.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony a5100 |
80 |
23.8 bits |
12.7 Evs |
1347 ISO |
Sony A68 |
79 |
24.1 bits |
13.5 Evs |
701 ISO |