Canon EOS RP vs Sony Alpha A7R III Compare

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

Cameras which are being compared are Mirrorless cameras.

EOS RP vs Alpha A7R III - Side by side

Learn more about compared cameras specifications below.

Canon EOS RP vs Sony Alpha A7R III Specs

EOS RP

  • Introduced in February 2019
  • Mirrorless
  • Sensor: Full frame
  • 26 megapixel
  • 5 frames/second
  • 100 - 40000 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount R Mount
  • WiFi built-in
  • 132.5 x 85 x 70mm³ (5.2" x 3.3" x 2.8")
  • 485g (15.6 oz.)

All specs: Main page for EOS RP

Alpha A7R III

  • Introduced in October 2017
  • Mirrorless
  • Sensor: Full frame
  • 42 megapixel
  • 10 frames/second
  • 100 - 32000 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 73.7mm³ (5.0" x 3.8" x 2.9")
  • 657g (21.2 oz.)

All specs: Main page for Alpha A7R III

EOS RP vs Alpha A7R 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:

Info graphic: EOS RP an Alpha A7R III sensor comparison

EOS RP vs Alpha A7R III: Viewfinder

EOS RP has an electronic viewfinder and it's resolution is 2.36 megapixel with magnification of 0.70x.

Alpha A7R III has an electronic viewfinder with resolution 3.69 megapixel, it's magnification is 0.78x.

Viewfinder magnifications of compared cameras. The black area shows a magnification of 1x, relative to native size; in red is a magnification of 0.85x.

EOS RP (0.70x)

Alpha A7R III (0.78x)

Simulated viewfinder of the EOS RPSimulated viewfinder of the Alpha A7R III

Better choice: Sony Alpha A7R III

Canon EOS RP VS Sony Alpha A7R III Other Specs Comparison

Why is Canon EOS RP a better choice

EOS RP

Alpha A7R III

Auto Focus points (4)4779399
Better sensibility (4)100 - 40000 ISO100 - 32000 ISO
Weighs less (2)485g
(15.6 oz.)
657g
(21.2 oz.)
More portable (2)788cm³
(50 cu.in.)
894cm³
(56 cu.in.)

Conclusion: Advantages of the EOS RP are the faster and more accurate auto focus, the larger sensitivity and the lower weight than the Alpha A7R III. Another advantage over the Alpha A7R III: the more compact size.

The EOS RP scores 12 points.

Otherwise why to choose Sony Alpha A7R III

EOS RP

Alpha A7R III

Wider resolution (5, megapixel)26.2042.40
Higher speed (4, frames/second)510
Better viewfinder (4, Megapixel)2.363.69
Larger lens selection (3)450
Image stabilizer (3)
Better monitor (2, Megapixel)1.041.44
Longer battery life (3, photos)250650
USB 3.0 (2)
Environmental sealing (2)

Conclusion: Advantages of the Alpha A7R III are the higher resolution, that the camera is faster and the better viewfinder. We also like the larger selection of lenses, the optical image stabilizer and that the display has a higher resolution. A nice touch is that the battery has more stamina, the support for USB 3.0. HArdly a luxury, given today's image size and the requirements of 4K video.

Yields 26 points for the Alpha A7R III.

Common Specs for both cameras compared

EOS RP

Alpha A7R III

Sensor formatFull frameFull frame
Sensor cleaning
Articulated screen
Touch screen
Video resolution3840 x 21603840 x 2160
External microphone
WiFi
Canon EOS RP VS Sony Alpha A7R III Dimensions

Look at front view of the EOS RP and Alpha A7R III

EOS RP und Alpha A7R III, front viewEOS RP und Alpha A7R III, front view

Top view of cameras

EOS RP und Alpha A7R III, view from aboveEOS RP und Alpha A7R III, view from above

Total scores

Here's the total score according to comparison above:

Canon EOS RP

Sony Alpha A7R III

12
26

We recommend Sony Alpha A7R III as better choice.

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