They re about the same size pretty much the same weight and currently they both cost about the same amount of money too. On the other hand ...
nikon d500 vs d750
nikon d500 vs d750 low light
nikon d500 vs d750 vs d7500
nikon d500 vs d750 vs d850
nikon d500 vs d750 youtube
nikon d500 vs d7500
nikon d500 vs d7500 camera decision
nikon d500 vs d7500 for wildlife
nikon d500 vs d7500 image quality
nikon d500 vs d7500 low light