Canon EOS M3 vs Sony Alpha A7 III 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.

Learn more about compared cameras specifications below.

Canon EOS M3 vs Sony Alpha A7 III 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

Alpha A7 III

  • Introduced in February 2018
  • Mirrorless
  • Sensor: Full frame
  • 24 megapixel
  • 10 frames/second
  • 100 – 51200 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0″) Monitor, articulated
  • Lens mount E Mount
  • WiFi built-in
  • 126.9 x 95.6 x 62.7mm³ (5.0″ x 3.8″ x 2.5″)
  • 657g (21.2 oz.)

All specs: Main page for Alpha A7 III

EOS M3 vs Alpha A7 III 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: Sony Alpha A7 III

Canon EOS M3 VS Sony Alpha A7 III Other Specs Comparison

Why is Canon EOS M3 a better choice

EOS M3

Alpha A7 III
Wider resolution (5, megapixel)

24.40 24.20
Built-in flash (2)
Better monitor (2, Megapixel)

1.04 0.92
Weighs less (2)

366g
(11.8 oz.)		 657g
(21.2 oz.)
More portable (2)

335cm³
(21 cu.in.)		 761cm³
(48 cu.in.)

Conclusion: Advantages of the EOS M3 are the higher resolution, the built-in flash and that the display has a higher resolution. A nice touch is the lower weight than the Alpha A7 III and the more compact size.

The EOS M3 scores 13 points.

Otherwise why to choose Sony Alpha A7 III

EOS M3

Alpha A7 III
Larger sensor (5)

APS-C Full frame
Higher speed (4, frames/second)

4 10
Auto Focus points (4)

49 693
Better sensibility (4)

100 – 12800 ISO 100 – 51200 ISO
Larger lens selection (3)

7 50
Image stabilizer (3)
Better Video (2)

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

250 710
USB 3.0 (2)
Environmental sealing (2)

Conclusion: Advantages of the Alpha A7 III are the larger sensor, that the camera is faster and the faster and more accurate auto focus. Additional pros for the Sony are the larger sensitivity, the larger selection of lenses and the optical image stabilizer. 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 30 points for the Alpha A7 III.

Common Specs for both cameras compared

EOS M3

Alpha A7 III
Sensor cleaning
Articulated screen
Touch screen
External microphone
WiFi
Canon EOS M3 VS Sony Alpha A7 III Dimensions

Look at front view of the EOS M3 and Alpha A7 III

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Canon EOS M3

Sony Alpha A7 III

13
30

We recommend Sony Alpha A7 III as better choice.