Canon EOS M3 vs Canon EOS R Compare

Here you can find digital cameras comparison. Pick up with the best rating.

Cameras which are being compared are Mirrorless cameras.

EOS M3 vs EOS R - Side by side

Learn more about compared cameras specifications below.

Canon EOS M3 vs Canon EOS R Specs

EOS M3

  • Introduced in April 2015
  • Mirrorless
  • Sensor: APS-C
  • 24 megapixel
  • 4 frames/second
  • 100 – 12800 ISO
  • 1920 x 1080 Video
  • No viewfinder
  • 75.00mm (3.0″) Monitor, articulated
  • Lens mount EF-M
  • WiFi built-in
  • 110.9 x 68 x 44.4mm³ (4.4″ x 2.7″ x 1.7″)
  • 366g (11.8 oz.)

All specs: Main page for EOS M3

EOS R

  • Introduced in September 2018
  • Mirrorless
  • Sensor: Full frame
  • 31 megapixel
  • 5 frames/second
  • 100 – 40000 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 80.00mm (3.1″) Monitor, articulated
  • Lens mount R Mount
  • WiFi built-in
  • 135.8 x 98.3 x 84.4mm³ (5.3″ x 3.9″ x 3.3″)
  • 660g (21.3 oz.)

All specs: Main page for EOS R

EOS M3 vs EOS R Sensors

On the pictures below the sensor areas of cameras are highlighted.

This infographic highlights the sensor areas of both models compared to other common sensor formats:

Advantage: Canon EOS R

Canon EOS M3 VS Canon EOS R Other Specs Comparison

Why is Canon EOS M3 a better choice

EOS M3

EOS R

Larger lens selection (3)

7 4
Built-in flash (2)

Weighs less (2)

366g
(11.8 oz.)
660g
(21.3 oz.)
More portable (2)

335cm³
(21 cu.in.)
1127cm³
(71 cu.in.)

Conclusion: Advantages of the EOS M3 are the larger selection of lenses, the built-in flash and the lower weight than the EOS R. Another advantage over the EOS R: the more compact size.

The EOS M3 scores 9 points.

Otherwise why to choose Canon EOS R

EOS M3

EOS R

Larger sensor (5)

APS-C Full frame
Wider resolution (5, megapixel)

24.40 31.30
Higher speed (4, frames/second)

4 5
Auto Focus points (4)

49 5955
Better sensibility (4)

100 – 12800 ISO 100 – 40000 ISO
Better monitor (2, Megapixel)

1.04 2.10
Better Video (2)

1920 x 1080 3840 x 2160
Longer battery life (3, photos)

250 370
USB 3.0 (2)

Environmental sealing (2)

Conclusion: Advantages of the EOS R are the larger sensor, the higher resolution and that the camera is faster. Additional pros for the Canon are the faster and more accurate auto focus, the larger sensitivity and that the display has a higher resolution. A nice touch is the superior video recording, that the battery has more stamina and the support for USB 3.0. HArdly a luxury, given today’s image size and the requirements of 4K video.

Yields 31 points for the EOS R.

Common Specs for both cameras compared

EOS M3

EOS R

Sensor cleaning

Articulated screen

Touch screen

External microphone

WiFi

Canon EOS M3 VS Canon EOS R Dimensions

Look at front view of the EOS M3 and EOS R

EOS M3 und EOS R, front view

Top view of cameras

EOS M3 und EOS R, view from above

Total scores

Here’s the total score according to comparison above:

Canon EOS M3

Canon EOS R

9
31

We recommend Canon EOS R as better choice.