Nikon DL24-500 has a 21.0MP 1" (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Expeed 6A processor. On the other hand, Panasonic FZ2500 has a 20.0MP 1 (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features Venus Engine processor.
Below you can see the DL24-500 and FZ2500 sensor size comparison.
Nikon DL24-500 and Panasonic FZ2500 have sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.