When comparing Nikon D810 vs Canon EOS-1D X Mark II, the Slant community recommends Nikon D810 for most people. In the question“What are the best full frame DSLR cameras?” Nikon D810 is ranked 1st while Canon EOS-1D X Mark II is ranked 7th. The most important reason people chose Nikon D810 is:
It's fast and decisive both in good light and in low light. It accurately recognizes faces and focuses on the nearest eye.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Great autofocus
It's fast and decisive both in good light and in low light. It accurately recognizes faces and focuses on the nearest eye.
Pro Flat color profile for video
A flat color profile captures footage in low contrast and higher dynamic range allowing for easier color grading in post-production.
Pro Quiet
Pro Excellent continuous drive
The camera can shoot 14fps RAW without any limitations and 16fps with a locked up mirror. The buffer holds 170 RAW frames at 14fps while JPG buffer is unlimited.
Pro Flicker detection
The camera can detect flickering light sources and sync up with them to shoot at peak brightness in order to avoid underexposing the image by accident.
Cons
Con Settings banks don't save all settings
Certain settings including AF and Advance modes can't be saved to settings banks and thus can't be recalled.
Con Lacks peaking for video
Focus peaking is not present in D810.
Con Poor AF in video mode
Con Subject tracking starts having issues in burst mode
Con Low-light performance could be better
Con Electronic 1st curtain can only be used in Mirror Up mode
Con Not yet available
The camera's planned release date is April 2016.