Nikon D750 vs Nikon D4s

This is a full comparison between the cameras Nikon D750 and Nikon D4s. We compare them by looking at the categories you see below.

Nikon D750

Nikon D4s

Manufacturing

These cameras are both manufactured by Nikon.

These two camera models were both released 2014.

Camera	Released
Nikon D750	2014
Nikon D4s	2014

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 D750	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D4s	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 D750 has a 24 MP (Megapixels) resolution while Nikon D4s has 16 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D750	24 MP 24160256 pixels 6016 x 4016
Nikon D4s	16 MP 16163840 pixels 4928 x 3280

Nikon D750 has a 49 % larger resolution than Nikon D4s. 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 D4s has a larger ISO-range than Nikon D750. Nikon D4s has an ISO range that stretches from 100 to 25600 while Nikon D750 has 100 to 12800.

Camera	ISO Range
Nikon D750	100-12800
Nikon D4s	100-25600

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 D750
Lens compatibility chart for Nikon D4s

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D750 can shoot up to 6,5 pictures per seconds and Nikon D4s can shoot up to 11 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D750	6,5
Nikon D4s	11

Ability to record movies

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

In this case, both Nikon D750 and Nikon D4s 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 D4s weighs 1350 gr (equal to 2.98 lb) which is 80% heavier than Nikon D750 and its 750 gr (or 1.65 lb).

Camera	Weight
Nikon D750	750 gr 1.65 lb
Nikon D4s	1350 gr 2.98 lb