Olympus OM-D E-M1X vs Sony Alpha A7R Compare

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

Cameras which are being compared are Mirrorless cameras.

OM-D E-M1X vs Alpha A7R - Side by side

Learn more about compared cameras specifications below.

Olympus OM-D E-M1X vs Sony Alpha A7R Specs

OM-D E-M1X

  • Introduced in January 2019
  • Mirrorless
  • Sensor: Four Thirds
  • 20 megapixel
  • 18 frames/second
  • 64 - 25600 ISO
  • 4096 x 2160 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount Micro Four Thirds (MFT)
  • WiFi built-in
  • 144.4 x 156.8 x 75.4mm³ (5.7" x 6.2" x 3.0")
  • 997g (32.2 oz.)

All specs: Main page for OM-D E-M1X

Alpha A7R

  • Introduced in October 2013
  • Mirrorless
  • Sensor: Full frame
  • 36 megapixel
  • 4 frames/second
  • 50 - 25600 ISO
  • 1920 x 1080 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")
  • 465g (15.0 oz.)

All specs: Main page for Alpha A7R

OM-D E-M1X vs Alpha A7R 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:

Infographic: OM-D E-M1X and Alpha A7R sensor area comparisonAdvantage: Sony Alpha A7R

OM-D E-M1X vs Alpha A7R: Viewfinder

OM-D E-M1X has an electronic viewfinder and it's resolution is 2.36 megapixel with magnification of 0.83x.

Alpha A7R has an electronic viewfinder with resolution 2.36 megapixel, it's magnification is 0.71x.

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.

OM-D E-M1X (0.83x)

Alpha A7R (0.71x)

Simulated viewfinder of the OM-D E-M1XSimulated viewfinder of the Alpha A7R

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. However, with these two cameras the difference is considerable in any case.

Olympus OM-D E-M1X VS Sony Alpha A7R Other Specs Comparison

Why is Olympus OM-D E-M1X a better choice

OM-D E-M1X

Alpha A7R

Higher speed (4, frames/second)184
Auto Focus points (4)12125
Larger lens selection (3)8050
Image stabilizer (3)
Better monitor (2, Megapixel)1.040.92
Touch screen (2)
Better Video (2)4096 x 21601920 x 1080
Longer battery life (3, photos)870340
USB 3.0 (2)
GPS (2)
Environmental sealing (2)

Conclusion: Advantages of the OM-D E-M1X are that the camera is faster, the faster and more accurate auto focus and the larger selection of lenses. We also like the optical image stabilizer, that the display has a higher resolution and the rather comfortable touch screen. A recommendation of the OM-D E-M1X is made easy by 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. Finally, there's the the built-in GPS.

The OM-D E-M1X scores 27 points.

Otherwise why to choose Sony Alpha A7R

OM-D E-M1X

Alpha A7R

Larger sensor (5)Four ThirdsFull frame
Wider resolution (5, megapixel)20.4036.40
Better sensibility (4)64 - 25600 ISO50 - 25600 ISO
Weighs less (2)997g
(32.2 oz.)
465g
(15.0 oz.)
More portable (2)1707cm³
(108 cu.in.)
577cm³
(36 cu.in.)

Conclusion: Advantages of the Alpha A7R are the larger sensor, the higher resolution and the larger sensitivity. We also like the lower weight than the OM-D E-M1X and the more compact size.

Yields 18 points for the Alpha A7R.

Common Specs for both cameras compared

OM-D E-M1X

Alpha A7R

Sensor cleaning
Articulated screen
External microphone
WiFi
Olympus OM-D E-M1X VS Sony Alpha A7R Dimensions

Look at front view of the OM-D E-M1X and Alpha A7R

OM-D E-M1X und Alpha A7R, front viewOM-D E-M1X und Alpha A7R, front view

Top view of cameras

OM-D E-M1X und Alpha A7R, view from aboveOM-D E-M1X und Alpha A7R, view from above

Total scores

Here's the total score according to comparison above:

Olympus OM-D E-M1X

Sony Alpha A7R

27
18

We recommend Olympus OM-D E-M1X as better choice.

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