Nikon D6 vs Canon EOS 1D X Mark III

This is a full comparison between the cameras Nikon D6 and Canon EOS 1D X Mark III. We compare them by looking at the categories you see below.

Nikon D6

Canon EOS 1D X Mark III

Manufacturing

Nikon D6 is manufacturered by Nikon but Canon EOS 1D X Mark III is from Canon. Both Nikon and Canon are well known brands though.

These two camera models were both released 2020.

Camera	Released
Nikon D6	2020
Canon EOS 1D X Mark III	2020

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Even though the camera sensors might be called differently they are both considered Full frame which means that the focal length of the lenses is not affected. There is no crop factor on any of these cameras and sensors.

Camera	Focal length, 50mm f/1.8 **
Nikon D6	50 mm Full-frame sensor No crop factor/focal length multiplier
Canon EOS 1D X Mark III	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)
Camera selection can affect the focal length (Canon)

Resolution

Nikon D6 has a 21 MP (Megapixels) resolution while Canon EOS 1D X Mark III has 20 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D6	21 MP 20668416 pixels 5568 x 3712
Canon EOS 1D X Mark III	20 MP 19961856 pixels 5472 x 3648

Nikon D6 has a 4 % larger resolution than Canon EOS 1D X Mark III. 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

Both of these cameras offer the exact same ISO range. They both have 100 to 102400.

Camera	ISO Range
Nikon D6	100-102400
Canon EOS 1D X Mark III	100-102400

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 D6
Lens compatibility chart for Canon EOS 1D X Mark III

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D6 can shoot up to 14 pictures per seconds and Canon EOS 1D X Mark III can shoot up to 20 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D6	14
Canon EOS 1D X Mark III	20

Ability to record movies

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

In this case, both Nikon D6 and Canon EOS 1D X Mark III 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.

Canon EOS 1D X Mark III weighs 1440 gr (equal to 3.17 lb) which is 13% heavier than Nikon D6 and its 1270 gr (or 2.8 lb).

Camera	Weight
Nikon D6	1270 gr 2.8 lb
Canon EOS 1D X Mark III	1440 gr 3.17 lb