Nikon Z6 II vs Sony a6400

This is a full comparison between the cameras Nikon Z6 II and Sony a6400. We compare them by looking at the categories you see below.

Nikon Z6 II

Sony a6400

Manufacturing

Nikon Z6 II is manufacturered by Nikon but Sony a6400 is from Sony. Both Nikon and Sony are well known brands though.

Nikon Z6 II were released 2020 and Sony a6400 was released 2019. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon Z6 II	2020
Sony a6400	2019

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon Z6 II has a "Nikon FX"-sensor while Sony a6400 has a "Sony APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera	Focal length, 50mm f/1.8 **
Nikon Z6 II	50 mm Full-frame sensor No crop factor/focal length multiplier
Sony a6400	75 mm Sony APS-C sensor Crop factor/focal length multiplier by * 1.5

** 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 (Sony)

Resolution

Nikon Z6 II has a 25 MP (Megapixels) resolution while Sony a6400 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon Z6 II	25 MP 24337152 pixels 6048 x 4024
Sony a6400	24 MP 24000000 pixels 6000 x 4000

Nikon Z6 II has a 1 % larger resolution than Sony a6400. 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 Z6 II has a larger ISO-range than Sony a6400. Nikon Z6 II has an ISO range that stretches from 100 to 51200 while Sony a6400 has 100 to 32000.

Camera	ISO Range
Nikon Z6 II	100-51200
Sony a6400	100-32000

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 Z6 II
Lens compatibility chart for Sony a6400

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon Z6 II can shoot up to 14 pictures per seconds and Sony a6400 can shoot up to 11 pictures per seconds.

Camera	FPS (Frames per second)
Nikon Z6 II	14
Sony a6400	11

Ability to record movies

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

In this case, both Nikon Z6 II and Sony a6400 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 Z6 II weighs 705 gr (equal to 1.55 lb) which is 75% heavier than Sony a6400 and its 403 gr (or 0.89 lb).

Camera	Weight
Nikon Z6 II	705 gr 1.55 lb
Sony a6400	403 gr 0.89 lb