Olympus PEN E-PL9 vs Sony Alpha 5100 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 5100 - Side by side

Learn more about compared cameras specifications below.

Olympus PEN E-PL9 vs Sony Alpha 5100 Specs


  • 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 5100

  • Introduced in August 2014
  • Mirrorless
  • Sensor: APS-C
  • 24 megapixel
  • 6 frames/second
  • 100 - 25600 ISO
  • 1920 x 1080 Video
  • No viewfinder
  • 75.00mm (3.0") Monitor, articulated
  • Lens mount E Mount
  • WiFi built-in
  • 109.6 x 62.8 x 35.7mm³ (4.3" x 2.5" x 1.4")
  • 270g (8.7 oz.)

All specs: Main page for Alpha 5100

PEN E-PL9 vs Alpha 5100 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 5100 sensor area comparisonAdvantage: Sony Alpha 5100

Olympus PEN E-PL9 VS Sony Alpha 5100 Other Specs Comparison

Why is Olympus PEN E-PL9 a better choice


Alpha 5100

Higher speed (4, frames/second)86
Larger lens selection (3)8050
Image stabilizer (3)
Better monitor (2, Megapixel)1.040.92
Touch screen (2)
Better Video (2)3840 x 21601920 x 1080

Conclusion: Advantages of the PEN E-PL9 are that the camera is faster, the larger selection of lenses and the optical image stabilizer. A nice touch is that the display has a higher resolution, the rather comfortable touch screen and the superior video recording.

The PEN E-PL9 scores 16 points.

Otherwise why to choose Sony Alpha 5100


Alpha 5100

Larger sensor (5)Four ThirdsAPS-C
Wider resolution (5, megapixel)16.1024.30
Auto Focus points (4)121179
Better sensibility (4)200 - 25600 ISO100 - 25600 ISO
Longer battery life (3, photos)350400
Weighs less (2)380g
(12.3 oz.)
(8.7 oz.)
More portable (2)311cm³
(20 cu.in.)
(15 cu.in.)

Conclusion: Advantages of the Alpha 5100 are the larger sensor, the higher resolution and the faster and more accurate auto focus. Additional pros for the Sony are the larger sensitivity, that the battery has more stamina and the lower weight than the PEN E-PL9. Another advantage over the PEN E-PL9: the more compact size.

Yields 25 points for the Alpha 5100.

Common Specs for both cameras compared


Alpha 5100

Sensor cleaning
Built-in flash
Articulated screen
Olympus PEN E-PL9 VS Sony Alpha 5100 Dimensions

Look at front view of the PEN E-PL9 and Alpha 5100

PEN E-PL9 und Alpha 5100, front viewPEN E-PL9 und Alpha 5100, front view

Top view of cameras

PEN E-PL9 und Alpha 5100, view from abovePEN E-PL9 und Alpha 5100, view from above

Total scores

Here's the total score according to comparison above:

Olympus PEN E-PL9

Sony Alpha 5100


We recommend Sony Alpha 5100 as better choice.

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