The Nikon Z6 II and Nikon D780 don't look similar side by side. The Z6 II is a slim mirrorless camera, and the D780 - though not a huge for a DSLR - is still a DSLR. But beneath the surface, the two cameras have a lot in common.
Nikon D780 vs Nikon Z6 Detailed Comparison
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Nikon Z6 II vs Nikon D780 Detailed Comparison
BM Premium EN-EL15C High Capacity Battery for Nikon Z5, Z6, Z6 II, Z7, Z7II, Z8, D780, D850, D7500, 1 V1, D500, D600, D610, D750, D800, D800E, D810, D810A, D7000, D7100, D7200
Nikon Z6 II vs Nikon Zf: What Should You Get?
Nikon D780 vs Nikon Z6: Which One Should You Get?
Nikon Z6 II vs Nikon D780 Detailed Comparison
Nikon D780 DSLR vs Nikon Z6II Mirrorless - Photo and Video Comparison
Nikon Z6II Full-frame mirrorless Camera
Mirrorless Z 6II