Below you can see the front view size comparison of Sony RX100 III and Sony RX1R II. Sony RX100 III is clearly the smaller of the two cameras. Its body is 11mm narrower, 7mm shorter and 31mm thinner than Sony RX1R II.
Sony RX100 III vs Sony RX1R II - Front View
Sony RX100 III vs Sony RX1R II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
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