Canon EOS R5 vs Canon EOS R6

This is a full comparison between the cameras Canon EOS R5 and Canon EOS R6. We compare them by looking at the categories you see below.

Canon EOS R5
Canon EOS R6

Manufacturing

These cameras are both manufacturered by Canon.

These two camera models were both released 2020.

Camera Manufacturer Released
Canon EOS R5 Canon 2020
Canon EOS R6 Canon 2020

Type of camera

Both these cameras are Mirrorless 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 R5 50 mm (a fullframe sensor does not have a crop factor / focal length multiplier)
Canon EOS R6 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 R5 has a 45 MP (Megapixels) resolution while Canon EOS R6 has 20 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 R5 45 MP 44761088 8192 5464
Canon EOS R6 20 MP 19961856 5472 3648

Canon EOS R5 has a 124 % larger resolution than Canon EOS R6. 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 R6 has a larger ISO-range than Canon EOS R5. Canon EOS R6 has an ISO range that stretches from 100 to 102400 while Canon EOS R5 has 100 to 51200.

Camera ISO Range
Canon EOS R5 100-51200
Canon EOS R6 100-102400

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.

Worth mentioning is that Canon EOS R5 belong to the Canon EOS R-system and need an adapter to work with Canons EF, EF-S, MP-E and TS-E lenses. You can read more about this adapter here:
Read more about Canon Lens Mount Adapter EF-EOS R

Worth mentioning is that Canon EOS R6 belong to the Canon EOS R-system and need an adapter to work with Canons EF, EF-S, MP-E and TS-E lenses. You can read more about this adapter here:
Read more about Canon Lens Mount Adapter EF-EOS R

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Canon EOS R5
Lens compatibility chart for Canon EOS R6

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS R5 can shoot up to 20 pictures per seconds and Canon EOS R6 can shoot up to 20 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS R5 20
Canon EOS R6 20

Ability to record movies

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

In this case, both Canon EOS R5 and Canon EOS R6 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 R5 weighs 738 gr (equal to 1,63 lb) which is 9% heavier than Canon EOS R6 and its 680 gr (or 1,5 lb).

Camera Weight (in gram) Weight (in pounds)
Canon EOS R5 738 gr 1,63 lb
Canon EOS R6 680 gr 1,5 lb