Sony RX1 has a 24.0MP Full frame (35.8 x 23.8 mm ) sized CMOS sensor . On the other hand, Nikon DL24-500 has a 21.0MP 1 (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Expeed 6A processor.
Below you can see the RX1 and DL24-500 sensor size comparison.
As seen above, Sony RX1 has a 7.3x Larger sensor area than Nikon DL24-500. 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.