Canon EOS 550D vs Canon EOS M3

This is a full comparison between the cameras Canon EOS 550D and Canon EOS M3. We compare them by looking at the categories you see below.

Canon EOS 550D
Canon EOS M3

Manufacturing

These cameras are both manufacturered by Canon.

Canon EOS 550D were released 2010 and Canon EOS M3 was released 2015. That is a 5 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Canon EOS 550D Canon 2010
Canon EOS M3 Canon 2015

Type of camera

Canon EOS 550D is a DSLR camera while Canon EOS M3 is a Mirrorless camera. More information about their differences will come soon.

Sensors / crop factor

Both these cameras have the same sorts sensor (called "APSC") which means that if you compare the cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras have a Full frame sensor which means that you will get a "crop factor" where the cameras sensor size effect the focal length with a multiplier.

Camera Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Canon EOS 550D 80 mm (a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)
Canon EOS M3 80 mm (a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)

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

Resolution

Canon EOS 550D has a 18,7 MP (Megapixels) resolution while Canon EOS M3 has 24 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 550D 18,7 MP 17915904 5184 3456
Canon EOS M3 24 MP 24000000 6000 4000

Canon EOS M3 has a 34 % larger resolution than Canon EOS 550D. 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

Both of these cameras offers the exact same ISO range. They both have 100 to 12800.

Camera ISO Range
Canon EOS 550D 100-12800
Canon EOS M3 100-12800

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 M3 belong to the Canon EOS M-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 M

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Canon EOS 550D
Lens compatibility chart for Canon EOS M3

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS 550D can shoot up to 3,7 pictures per seconds and Canon EOS M3 can shoot up to 4,2 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 550D 3,7
Canon EOS M3 4,2

Ability to record movies

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

In this case, both Canon EOS 550D and Canon EOS M3 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 550D weighs 510 gr (equal to 1,12 lb) which is 39% heavier than Canon EOS M3 and its 366 gr (or 0,81 lb).

Camera Weight (in gram) Weight (in pounds)
Canon EOS 550D 510 gr 1,12 lb
Canon EOS M3 366 gr 0,81 lb