Canon EOS 1D X vs Canon EOS 5DS R

This is a full comparison between the cameras Canon EOS 1D X and Canon EOS 5DS R. We compare them by looking at the categories you see below.

Canon EOS 1D X
Canon EOS 5DS R

Manufacturing

These cameras are both manufacturered by Canon.

Canon EOS 1D X were released 2011 and Canon EOS 5DS R was released 2015. That is a 4 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Canon EOS 1D X Canon 2011
Canon EOS 5DS R Canon 2015

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts sensor (called "FF") which means that if you compare the 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 Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Canon EOS 1D X 50 mm (a fullframe sensor does not have a crop factor / focal length multiplier)
Canon EOS 5DS R 50 mm (a fullframe sensor does not have a crop factor / focal length multiplier)

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Canon)

Resolution

Canon EOS 1D X has a 18,1 MP (Megapixels) resolution while Canon EOS 5DS R has 51 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Canon EOS 1D X 18,1 MP 17915904 5184 3456
Canon EOS 5DS R 51 MP 50320896 8688 5792

Canon EOS 5DS R has a 181 % larger resolution than Canon EOS 1D X. This could give you more details in the picture but also a possibility to crop more in the pictures, afterwards while editing the pictures, if needed that is.

ISO range

Canon EOS 1D X has a larger ISO-range than Canon EOS 5DS R. Canon EOS 1D X has an ISO range that stretches from 100 to 51200 while Canon EOS 5DS R has 100 to 6400.

Camera ISO Range
Canon EOS 1D X 100-51200
Canon EOS 5DS R 100-6400

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that supports autofocus, does not have a autofocus motor of their own but this wont cause any problems with these two cameras.

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Canon EOS 1D X
Lens compatibility chart for Canon EOS 5DS R

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS 1D X can shoot up to 12 pictures per seconds and Canon EOS 5DS R can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 1D X 12
Canon EOS 5DS R 5

Ability to record movies

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

In this case, both Canon EOS 1D X and Canon EOS 5DS R can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, carried around, for several hours at the time.

Canon EOS 1D X weighs 1340 gr (equal to 2,95 lb) which is 44% heavier than Canon EOS 5DS R and its 930 gr (or 2,05 lb).

Camera Weight (in gram) Weight (in pounds)
Canon EOS 1D X 1340 gr 2,95 lb
Canon EOS 5DS R 930 gr 2,05 lb