Nikon Z6 II vs Nikon D5100

This is a full comparison between the cameras Nikon Z6 II and Nikon D5100. We compare them by looking at the categories you see below.

Nikon Z6 II

Nikon D5100

Manufacturing

These cameras are both manufactured by Nikon.

Nikon Z6 II were released 2020 and Nikon D5100 was released 2011. That is a 9 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon Z6 II	2020
Nikon D5100	2011

Type of camera

Nikon Z6 II is a Mirrorless camera while Nikon D5100 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Nikon Z6 II has a "Nikon FX"-sensor while Nikon D5100 has a "Nikon DX"-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
Nikon D5100	75 mm Nikon DX 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)

Resolution

Nikon Z6 II has a 25 MP (Megapixels) resolution while Nikon D5100 has 16,2 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
Nikon D5100	16,2 MP 16084992 pixels 4928 x 3264

Nikon Z6 II has a 51 % larger resolution than Nikon D5100. 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 Nikon D5100. Nikon Z6 II has an ISO range that stretches from 100 to 51200 while Nikon D5100 has 100 to 6400.

Camera	ISO Range
Nikon Z6 II	100-51200
Nikon D5100	100-6400

Autofocus and lens compatibility

There is a big difference between these two cameras. Nikon Z6 II has a built-in autofocus motor but Nikon D5100 does not. If you want to be able to use autofocus on Nikon D5100 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon Z6 II
Lens compatibility chart for Nikon D5100

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 Nikon D5100 can shoot up to 4 pictures per seconds.

Camera	FPS (Frames per second)
Nikon Z6 II	14
Nikon D5100	4

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 Nikon D5100 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 15% heavier than Nikon D5100 and its 611 gr (or 1.35 lb).

Camera	Weight
Nikon Z6 II	705 gr 1.55 lb
Nikon D5100	611 gr 1.35 lb