Here we are comparing two Nikon cameras cameras with different body types: Nikon Z 6, which was introduced in August 2018 is a Pro Mirrorless camera with a 25.0MP Full frame sensor whereas Nikon D810, which was introduced in June 2014 is a Semi-Pro DSLR camera with a 36.0MP Full frame sensor.
Despite some fundamental differences of these two body types, Mirrorless cameras are becoming serious alternatives to DSLR cameras thanks to their size/weight advantages and recent improvements in their focus speeds , which makes this comparison even more interesting. Fortunately, you can't go wrong with any of these cameras as we rank them amongst Top 10 cameras in their classes. Nikon Z 6 is ranked #8
out of 38 Pro Mirrorless cameras with an overall score of 94 whereas Nikon D810 is ranked #6
out of 90 Semi-Pro DSLR cameras with an overall score of 87.
Let's have a brief look at the main features of Nikon Z 6 and Nikon D810 before getting into our more detailed comparison.