Below you can see the front view size comparison of Fujifilm XQ1 and Panasonic GX85. Fujifilm XQ1 is clearly the smaller of the two cameras. Its body is 22mm narrower, 12mm shorter and 11mm thinner than Panasonic GX85.
Fujifilm XQ1 vs Panasonic GX85 - Front View
Fujifilm XQ1 vs Panasonic GX85 - 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