Nikon DL24-85 has a 21.0MP 1" (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Expeed 6A processor. On the other hand, Leica Q has a 24.0MP Full frame (36 x 24 mm ) sized CMOS sensor and features Maestro II processor.
Below you can see the DL24-85 and Q Typ 116 sensor size comparison.
As seen above, Leica Q has a 7.4x Larger sensor area than Nikon DL24-85. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.