Olympus PEN E-PL9 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.

PEN E-PL9 vs Alpha A7 III - Side by side

Learn more about compared cameras specifications below.

Olympus PEN E-PL9 vs Sony Alpha A7 III Specs

PEN E-PL9

  • Introduced in February 2018
  • Mirrorless
  • Sensor: Four Thirds
  • 16 megapixel
  • 8 frames/second
  • 200 - 25600 ISO
  • 3840 x 2160 Video
  • No viewfinder
  • 76.00mm (3.0") Monitor, articulated
  • Lens mount Micro Four Thirds (MFT)
  • WiFi built-in
  • 117.1 x 68 x 39mm³ (4.6" x 2.7" x 1.5")
  • 380g (12.3 oz.)

All specs: Main page for PEN E-PL9

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

PEN E-PL9 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:

Infographic: PEN E-PL9 and Alpha A7 III sensor area comparisonAdvantage: Sony Alpha A7 III

Olympus PEN E-PL9 VS Sony Alpha A7 III Other Specs Comparison

Why is Olympus PEN E-PL9 a better choice

PEN E-PL9

Alpha A7 III

Larger lens selection (3)8050
Built-in flash (2)
Better monitor (2, Megapixel)1.040.92
Weighs less (2)380g
(12.3 oz.)
657g
(21.2 oz.)
More portable (2)311cm³
(20 cu.in.)
761cm³
(48 cu.in.)

Conclusion: Advantages of the PEN E-PL9 are the larger selection of lenses, the built-in flash and that the display has a higher resolution. A nice touch is the lower weight than the Alpha A7 III and the more compact size.

The PEN E-PL9 scores 11 points.

Otherwise why to choose Sony Alpha A7 III

PEN E-PL9

Alpha A7 III

Larger sensor (5)Four ThirdsFull frame
Wider resolution (5, megapixel)16.1024.20
Higher speed (4, frames/second)810
Auto Focus points (4)121693
Better sensibility (4)200 - 25600 ISO100 - 51200 ISO
External microphone (2)
Longer battery life (3, photos)350710
USB 3.0 (2)
Environmental sealing (2)

Conclusion: Advantages of the Alpha A7 III are the larger sensor, the higher resolution and that the camera is faster. Additional pros for the Sony are the faster and more accurate auto focus, the larger sensitivity and the connector for an external microphone. Another advantage over the PEN E-PL9: 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 29 points for the Alpha A7 III.

Common Specs for both cameras compared

PEN E-PL9

Alpha A7 III

Sensor cleaning
Image stabilizer
Articulated screen
Touch screen
Video resolution3840 x 21603840 x 2160
WiFi
Olympus PEN E-PL9 VS Sony Alpha A7 III Dimensions

Look at front view of the PEN E-PL9 and Alpha A7 III

PEN E-PL9 und Alpha A7 III, front viewPEN E-PL9 und Alpha A7 III, front view

Top view of cameras

PEN E-PL9 und Alpha A7 III, view from abovePEN E-PL9 und Alpha A7 III, view from above

Total scores

Here's the total score according to comparison above:

Olympus PEN E-PL9

Sony Alpha A7 III

11
29

We recommend Sony Alpha A7 III as better choice.

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