Both Sony RX1 and Sony RX1R have Full frame sized 24.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
One other difference between these two cameras that is worth mentioning is that Sony RX1R's sensor doesn't have an anti-alias (Low-Pass) filter. Removing anti-alias filter increases the sharpness and level of detail but at the same time, it increases the chance of moiré occurring in certain scenes.
Below you can see the RX1 and RX1R sensor size comparison.
Sony RX1 and Sony RX1R have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the same focal length and aperture.
DxOMark Sensor Scores
Both Sony RX1 and Sony RX1R 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, RX1 has scored 93, 2 points higher than RX1R.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX1 |
93 |
25.1 bits |
14.3 Evs |
2534 ISO |
Sony RX1R |
91 |
25.0 bits |
13.6 Evs |
2537 ISO |