Nikon D90 vs Nikon Z6

This is a full comparison between the cameras Nikon D90 and Nikon Z6. We compare them by looking at the categories you see below.

Nikon D90

Nikon Z6

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D90 were released 2008 and Nikon Z6 was released 2018. That is a 10 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon D90	2008
Nikon Z6	2018

Type of camera

Nikon D90 is a DSLR camera while Nikon Z6 is a Mirrorless camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Nikon D90 has a "Nikon DX"-sensor while Nikon Z6 has a "Nikon FX"-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 D90	75 mm Nikon DX sensor Crop factor/focal length multiplier by * 1.5
Nikon Z6	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 D90 has a 12,3 MP (Megapixels) resolution while Nikon Z6 has 25 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D90	12,3 MP 12212224 pixels 4288 x 2848
Nikon Z6	25 MP 24337152 pixels 6048 x 4024

Nikon Z6 has a 99 % larger resolution than Nikon D90. 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 has a larger ISO-range than Nikon D90. Nikon Z6 has an ISO range that stretches from 100 to 51200 while Nikon D90 has 200 to 6400.

Camera	ISO Range
Nikon D90	200-6400
Nikon Z6	100-51200

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 D90
Lens compatibility chart for Nikon Z6

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D90 can shoot up to 4,5 pictures per seconds and Nikon Z6 can shoot up to 12 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D90	4,5
Nikon Z6	12

Ability to record movies

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

In this case, both Nikon D90 and Nikon Z6 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 D90 weighs 703 gr (equal to 1.55 lb) which is 4% heavier than Nikon Z6 and its 675 gr (or 1.49 lb).

Camera	Weight
Nikon D90	703 gr 1.55 lb
Nikon Z6	675 gr 1.49 lb