Nikon D850 vs Nikon D810A

This is a full comparison between the cameras Nikon D850 and Nikon D810A. We compare them by looking at the categories you see below.

Nikon D850

Nikon D810A

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D850 were released 2017 and Nikon D810A was released 2015. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon D850	2017
Nikon D810A	2015

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Nikon FX") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Since both cameras have a Full frame sensor there will be no crop factor.

Camera	Focal length, 50mm f/1.8 **
Nikon D850	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D810A	50 mm Full-frame sensor No crop factor/focal length multiplier

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Nikon)

Resolution

Nikon D850 has a 46 MP (Megapixels) resolution while Nikon D810A has 36 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D850	46 MP 45441024 pixels 8256 x 5504
Nikon D810A	36 MP 36152320 pixels 7360 x 4912

Nikon D850 has a 26 % larger resolution than Nikon D810A. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon D850 has a larger ISO-range than Nikon D810A. Nikon D850 has an ISO range that stretches from 64 to 25600 while Nikon D810A has 200 to 12800.

Camera	ISO Range
Nikon D850	64-25600
Nikon D810A	200-12800

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D850
Lens compatibility chart for Nikon D810A

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D850 can shoot up to 9 pictures per seconds and Nikon D810A can shoot up to 5 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D850	9
Nikon D810A	5

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Nikon D850 and Nikon D810A can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon D850 weighs 1005 gr (equal to 2.22 lb) which is 14% heavier than Nikon D810A and its 880 gr (or 1.94 lb).

Camera	Weight
Nikon D850	1005 gr 2.22 lb
Nikon D810A	880 gr 1.94 lb