Canon EOS M3 vs Sony Alpha A7S Compare

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 A7S Specs


  • 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 A7S

  • Introduced in June 2014
  • Mirrorless
  • Sensor: Full frame
  • 12 megapixel
  • 5 frames/second
  • 50 – 409600 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0″) Monitor, articulated
  • Lens mount E Mount
  • WiFi built-in
  • 126.9 x 94.4 x 48.2mm³ (5.0″ x 3.7″ x 1.9″)
  • 489g (15.8 oz.)

All specs: Main page for Alpha A7S

EOS M3 vs Alpha A7S 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 A7S

Canon EOS M3 VS Sony Alpha A7S Other Specs Comparison

Why is Canon EOS M3 a better choice


Alpha A7S

Wider resolution (5, megapixel)

24.40 12.20
Auto Focus points (4)

49 25
Built-in flash (2)

Better monitor (2, Megapixel)

1.04 0.92
Touch screen (2)

Weighs less (2)

(11.8 oz.)
(15.8 oz.)
More portable (2)


Conclusion: Advantages of the EOS M3 are the higher resolution, the faster and more accurate auto focus and the built-in flash. A nice touch is that the display has a higher resolution, the rather comfortable touch screen and the lower weight than the Alpha A7S. Another advantage over the Alpha A7S: the more compact size.

The EOS M3 scores 19 points.

Otherwise why to choose Sony Alpha A7S


Alpha A7S

Larger sensor (5)

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

4 5
Better sensibility (4)

100 – 12800 ISO 50 – 409600 ISO
Larger lens selection (3)

7 50
Better Video (2)

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

250 380

Conclusion: Advantages of the Alpha A7S are the larger sensor, that the camera is faster and the larger sensitivity. We also like the larger selection of lenses, the superior video recording and that the battery has more stamina.

Yields 21 points for the Alpha A7S.

Common Specs for both cameras compared


Alpha A7S

Sensor cleaning

Articulated screen

External microphone


Canon EOS M3 VS Sony Alpha A7S Dimensions

Look at front view of the EOS M3 and Alpha A7S

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Canon EOS M3

Sony Alpha A7S


We advise to choose the newest model: Canon EOS M3.

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