Panasonic DMC GX8 vs Sony Alpha A7S Compare

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

Cameras which are being compared are Mirrorless cameras.

DMC GX8 vs Alpha A7S - Side by side

Learn more about compared cameras specifications below.

Panasonic DMC GX8 vs Sony Alpha A7S Specs

DMC GX8

  • Introduced in July 2015
  • Mirrorless
  • Sensor: Four Thirds
  • 20 megapixel
  • 8 frames/second
  • 100 - 25600 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 75.00mm (3.0") Monitor, articulated
  • Lens mount Micro Four Thirds (MFT)
  • WiFi built-in
  • 133.2 x 77.9 x 63.1mm³ (5.2" x 3.1" x 2.5")
  • 487g (15.7 oz.)

All specs: Main page for DMC GX8

Alpha A7S

  • Introduced in June 2014
  • Mirrorless
  • Sensor: Full frame
  • 12 megapixel
  • 5 frames/second
  • 50 - 409600 ISO
  • 3840 x 2160 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")
  • 489g (15.8 oz.)

All specs: Main page for Alpha A7S

DMC GX8 vs Alpha A7S 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: DMC GX8 and Alpha A7S sensor area comparisonAdvantage: Sony Alpha A7S

DMC GX8 vs Alpha A7S: Viewfinder

DMC GX8 has an electronic viewfinder and it's resolution is 2.36 megapixel with magnification of 0.77x.

Alpha A7S 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.

DMC GX8 (0.77x)

Alpha A7S (0.71x)

Simulated viewfinder of the DMC GX8Simulated viewfinder of the Alpha A7S

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.

Panasonic DMC GX8 VS Sony Alpha A7S Other Specs Comparison

Why is Panasonic DMC GX8 a better choice

DMC GX8

Alpha A7S

Wider resolution (5, megapixel)20.3012.20
Higher speed (4, frames/second)85
Auto Focus points (4)4925
Larger lens selection (3)8050
Image stabilizer (3)
Better monitor (2, Megapixel)1.040.92
Touch screen (2)
Environmental sealing (2)

Conclusion: Advantages of the DMC GX8 are the higher resolution, that the camera is faster and the faster and more accurate auto focus. Additional pros for the Panasonic are the larger selection of lenses, the optical image stabilizer and that the display has a higher resolution. A nice touch is the rather comfortable touch screen.

The DMC GX8 scores 23 points.

Otherwise why to choose Sony Alpha A7S

DMC GX8

Alpha A7S

Larger sensor (5)Four ThirdsFull frame
Better sensibility (4)100 - 25600 ISO50 - 409600 ISO
Longer battery life (3, photos)330380
More portable (2)655cm³
(41 cu.in.)
577cm³
(36 cu.in.)

Conclusion: Advantages of the Alpha A7S are the larger sensor, the larger sensitivity and that the battery has more stamina. Another advantage over the DMC GX8: the more compact size.

Yields 14 points for the Alpha A7S.

Common Specs for both cameras compared

DMC GX8

Alpha A7S

Sensor cleaning
Articulated screen
Video resolution3840 x 21603840 x 2160
External microphone
Similar weight487g489g
WiFi
Panasonic DMC GX8 VS Sony Alpha A7S Dimensions

Look at front view of the DMC GX8 and Alpha A7S

DMC GX8 und Alpha A7S, front viewDMC GX8 und Alpha A7S, front view

Top view of cameras

DMC GX8 und Alpha A7S, view from aboveDMC GX8 und Alpha A7S, view from above

Total scores

Here's the total score according to comparison above:

Panasonic DMC GX8

Sony Alpha A7S

23
14

We recommend Panasonic DMC GX8 as better choice.

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