Canon EOS R3 vs Canon EOS Kiss M

This is a full comparison between the cameras Canon EOS R3 and Canon EOS Kiss M. We compare them by looking at the categories you see below.

Canon EOS R3

Canon EOS Kiss M

Manufacturing

These cameras are both manufactured by Canon.

Canon EOS R3 were released 2021 and Canon EOS Kiss M was released 2018. That is a 3 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Canon EOS R3	2021
Canon EOS Kiss M	2018

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS R3 has a "Canon Full Frame"-sensor while Canon EOS Kiss M has a "Canon APS-C"-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 **
Canon EOS R3	50 mm Full-frame sensor No crop factor/focal length multiplier
Canon EOS Kiss M	80 mm Canon APS-C sensor Crop factor/focal length multiplier by * 1.6

** 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 (Canon)

Resolution

Both these cameras have the exact same resolution. Canon EOS R3 has a 24 MP (Megapixels) resolution while Canon EOS Kiss M has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Canon EOS R3	24 MP 24000000 pixels 6000 x 4000
Canon EOS Kiss M	24 MP 24000000 pixels 6000 x 4000

ISO range

Canon EOS R3 has a larger ISO-range than Canon EOS Kiss M. Canon EOS R3 has an ISO range that stretches from 100 to 102400 while Canon EOS Kiss M has 100 to 25600.

Camera	ISO Range
Canon EOS R3	100-102400
Canon EOS Kiss M	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.

Worth mentioning is that Canon EOS R3 belongs to the Canon EOS R-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS R

Worth mentioning is that Canon EOS Kiss M belongs to the Canon EOS M-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS M

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS R3
Lens compatibility chart for Canon EOS Kiss M

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS R3 can shoot up to 30 pictures per seconds and Canon EOS Kiss M can shoot up to 10 pictures per seconds.

Camera	FPS (Frames per second)
Canon EOS R3	30
Canon EOS Kiss M	10

Ability to record movies

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

In this case, both Canon EOS R3 and Canon EOS Kiss M 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.

Canon EOS R3 weighs 1015 gr (equal to 2.24 lb) which is 160% heavier than Canon EOS Kiss M and its 390 gr (or 0.86 lb).

Camera	Weight
Canon EOS R3	1015 gr 2.24 lb
Canon EOS Kiss M	390 gr 0.86 lb