Nikon D4s vs Nikon D800

This is a full comparison between the cameras Nikon D4s and Nikon D800. We compare them by looking at the categories you see below.

Nikon D4s

Nikon D800

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D4s were released 2014 and Nikon D800 was released 2012. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon D4s	2014
Nikon D800	2012

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 D4s	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D800	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 D4s has a 16 MP (Megapixels) resolution while Nikon D800 has 36,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D4s	16 MP 16163840 pixels 4928 x 3280
Nikon D800	36,3 MP 36152320 pixels 7360 x 4912

Nikon D800 has a 124 % 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

Both of these cameras offer the exact same ISO range. They both have 100 to 25600.

Camera	ISO Range
Nikon D4s	100-25600
Nikon D800	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 D4s
Lens compatibility chart for Nikon D800

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D4s can shoot up to 11 pictures per seconds and Nikon D800 can shoot up to 6 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D4s	11
Nikon D800	6

Ability to record movies

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

In this case, both Nikon D4s and Nikon D800 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 50% heavier than Nikon D800 and its 900 gr (or 1.98 lb).

Camera	Weight
Nikon D4s	1350 gr 2.98 lb
Nikon D800	900 gr 1.98 lb