Canon EOS R vs Panasonic DMC GH3 Compare

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

Cameras which are being compared are Mirrorless cameras.

EOS R vs DMC GH3 - Side by side

Learn more about compared cameras specifications below.

Canon EOS R vs Panasonic DMC GH3 Specs


  • 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


  • Introduced in September 2012
  • Mirrorless
  • Sensor: Four Thirds
  • 16 megapixel
  • 6 frames/second
  • 200 – 12800 ISO
  • 1920 x 1080 Video
  • Viewfinder: Elektronic
  • 75.00mm (3.0″) Monitor, articulated
  • Lens mount Micro Four Thirds (MFT)
  • WiFi built-in
  • 132.9 x 93.4 x 83.9mm³ (5.2″ x 3.7″ x 3.3″)
  • 550g (17.7 oz.)

All specs: Main page for DMC GH3

EOS R vs DMC GH3 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

EOS R vs DMC GH3: Viewfinder

EOS R has an electronic viewfinder and it’s resolution is 3.68 megapixel with magnification of 0.76x.

DMC GH3 has an electronic viewfinder with resolution 1.74 megapixel, it’s magnification is 0.67x.

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 R (0.76x)

DMC GH3 (0.67x)

Note: Differences in the image area are the result of different image ratios, 3:2 or 4:3. That can make it difficult to compare the viewfinder magnification of both cameras.

Canon EOS R VS Panasonic DMC GH3 Other Specs Comparison

Why is Canon EOS R a better choice



Larger sensor (5)

Full frame Four Thirds
Wider resolution (5, megapixel)

31.30 16.05
Auto Focus points (4)

5955 23
Better sensibility (4)

100 – 40000 ISO 200 – 12800 ISO
Better viewfinder (4, Megapixel)

3.68 1.74
Better monitor (2, Megapixel)

2.10 0.61
Better Video (2)

3840 x 2160 1920 x 1080
USB 3.0 (2)

Conclusion: Advantages of the EOS R are the larger sensor, the higher resolution and the faster and more accurate auto focus. Additional pros for the Canon are the larger sensitivity, the better viewfinder and that the display has a higher resolution. A nice touch is the superior video recording 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 28 points.

Otherwise why to choose Panasonic DMC GH3



Higher speed (4, frames/second)

5 6
Larger lens selection (3)

4 80
Built-in flash (2)

Longer battery life (3, photos)

370 540
Weighs less (2)

(21.3 oz.)
(17.7 oz.)

Conclusion: Advantages of the DMC GH3 are that the camera is faster, the larger selection of lenses and the built-in flash. A nice touch is that the battery has more stamina and the lower weight than the EOS R.

Yields 14 points for the DMC GH3.

Common Specs for both cameras compared



Sensor cleaning

Articulated screen

Touch screen

External microphone

Similar size

1127cm³ 1041cm³

Environmental sealing

Canon EOS R VS Panasonic DMC GH3 Dimensions

Look at front view of the EOS R and DMC GH3

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Canon EOS R

Panasonic DMC GH3


We recommend Canon EOS R as better choice.