Both Canon SL2 and Canon T6i 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 SL2 and T6i sensor size comparison.
Sensor Size and Resolution Comparison image of Canon SL2 and Canon T6i Cameras
Canon SL2 and Canon T6i 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 Canon SL2 and Canon T6i 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, SL2 has scored 79, 8 points higher than T6i.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon SL2 |
79 |
23.6 bits |
13.4 Evs |
1041 ISO |
Canon T6i |
71 |
22.7 bits |
12.0 Evs |
919 ISO |