Canon EOS R vs Canon EOS M3 Compare

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

Cameras which are being compared are Mirrorless cameras.

EOS R vs EOS M3 - Side by side

Learn more about compared cameras specifications below.

Canon EOS R vs Canon EOS M3 Specs

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

  • 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 vs EOS M3 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:

Better choice: Canon EOS R

Canon EOS R VS Canon EOS M3 Other Specs Comparison

Why is Canon EOS R a better choice

EOS R

EOS M3
Larger sensor (5)

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

31.30 24.40
Higher speed (4, frames/second)

5 4
Auto Focus points (4)

5955 49
Better sensibility (4)

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

2.10 1.04
Better Video (2)

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

370 250
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.

The EOS R scores 31 points.

Otherwise why to choose Canon EOS M3

EOS R

EOS M3
Larger lens selection (3)

4 7
Built-in flash (2)
Weighs less (2)

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

1127cm³
(71 cu.in.)		 335cm³
(21 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.

Yields 9 points for the EOS M3.

Common Specs for both cameras compared

EOS R

EOS M3
Sensor cleaning
Articulated screen
Touch screen
External microphone
WiFi
Canon EOS R VS Canon EOS M3 Dimensions

Look at front view of the EOS R and EOS M3
EOS R und EOS M3, front view

Top view of cameras
EOS R und EOS M3, view from above

Total scores

Here’s the total score according to comparison above:

Canon EOS R

Canon EOS M3

31
9

We recommend Canon EOS R as better choice.