Canon EOS RP vs Sony Alpha A7 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 A7 III - Side by side

Learn more about compared cameras specifications below.

Canon EOS RP vs Sony Alpha A7 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 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 RP 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:

Info graphic: EOS RP an Alpha A7 III sensor comparison

EOS RP vs Alpha A7 III: Viewfinder

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

Alpha A7 III has an electronic viewfinder with resolution 2.36 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 A7 III (0.78x)

Better choice: Sony Alpha A7 III

Canon EOS RP VS Sony Alpha A7 III Other Specs Comparison

Why is Canon EOS RP a better choice

EOS RP

Alpha A7 III

Wider resolution (5, megapixel)

26.20 24.20
Auto Focus points (4)

4779 693
Better monitor (2, Megapixel)

1.04 0.92
Weighs less (2)

485g
(15.6 oz.)
657g
(21.2 oz.)

Conclusion: Advantages of the EOS RP are the higher resolution, the faster and more accurate auto focus and that the display has a higher resolution. A nice touch is the lower weight than the Alpha A7 III.

The EOS RP scores 13 points.

Otherwise why to choose Sony Alpha A7 III

EOS RP

Alpha A7 III

Higher speed (4, frames/second)

5 10
Better sensibility (4)

100 – 40000 ISO 100 – 51200 ISO
Larger lens selection (3)

4 50
Image stabilizer (3)

Longer battery life (3, photos)

250 710
USB 3.0 (2)

Environmental sealing (2)

Conclusion: Advantages of the Alpha A7 III are that the camera is faster, the larger sensitivity and the larger selection of lenses. We also like the optical image stabilizer, 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 19 points for the Alpha A7 III.

Common Specs for both cameras compared

EOS RP

Alpha A7 III

Sensor format

Full frame Full frame
Sensor cleaning

Articulated screen

Touch screen

Video resolution

3840 x 2160 3840 x 2160
External microphone

Similar size

788cm³ 761cm³
WiFi

Canon EOS RP VS Sony Alpha A7 III Dimensions

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

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Canon EOS RP

Sony Alpha A7 III

13
19

We recommend Sony Alpha A7 III as better choice.