Below you can see the front view size comparison of Sony A6000 and Sony RX100 II. Sony RX100 II is clearly the smaller of the two cameras. Its body is 18mm narrower, 9mm shorter and 7mm thinner than Sony A6000.
Sony A6000 vs Sony RX100 II - Front View
Sony A6000 vs Sony RX100 II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison