Fujifilm X-T3 vs Sony Alpha A6400 Compare

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

Cameras which are being compared are Mirrorless cameras.

X-T3 vs Alpha A6400 - Side by side

Learn more about compared cameras specifications below.

Fujifilm X-T3 vs Sony Alpha A6400 Specs


  • Introduced in September 2018
  • Mirrorless
  • Sensor: APS-C
  • 26 megapixel
  • 20 frames/second
  • 160 – 12800 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 76.00mm (3.0″) Monitor, articulated
  • Lens mount X-Bajonett
  • WiFi built-in
  • 132.5 x 92.8 x 58.8mm³ (5.2″ x 3.7″ x 2.3″)
  • 539g (17.4 oz.)

All specs: Main page for X-T3

Alpha A6400

  • Introduced in January 2019
  • Mirrorless
  • Sensor: APS-C
  • 24 megapixel
  • 11 frames/second
  • 100 – 32000 ISO
  • 3840 x 2160 Video
  • Viewfinder: Elektronic
  • 75.00mm (3.0″) Monitor, articulated
  • Lens mount E Mount
  • WiFi built-in
  • 120 x 66.9 x 49.9mm³ (4.7″ x 2.6″ x 2.0″)
  • 361g (11.6 oz.)

All specs: Main page for Alpha A6400

X-T3 vs Alpha A6400 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:

Info graphic: X-T3 an Alpha A6400 sensor comparison

X-T3 vs Alpha A6400: Viewfinder

X-T3 has an electronic viewfinder and it’s resolution is 3.69 megapixel with magnification of 0.75x.

Alpha A6400 has an electronic viewfinder with resolution 2.36 megapixel, it’s magnification is 0.70x.

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.

X-T3 (0.75x)

Alpha A6400 (0.70x)

Better choice: Fujifilm X-T3

Fujifilm X-T3 VS Sony Alpha A6400 Other Specs Comparison

Why is Fujifilm X-T3 a better choice


Alpha A6400

Wider resolution (5, megapixel)

26.10 24.30
Higher speed (4, frames/second)

20 11
Better viewfinder (4, Megapixel)

3.69 2.36
Better monitor (2, Megapixel)

1.04 0.92
USB 3.0 (2)

Environmental sealing (2)

Conclusion: Advantages of the X-T3 are the higher resolution, that the camera is faster and the better viewfinder. We also like that the display has a higher resolution, the support for USB 3.0. HArdly a luxury, given today’s image size and the requirements of 4K video.

The X-T3 scores 17 points.

Otherwise why to choose Sony Alpha A6400


Alpha A6400

Better sensibility (4)

160 – 12800 ISO 100 – 32000 ISO
Larger lens selection (3)

25 50
Built-in flash (2)

Longer battery life (3, photos)

390 400
Weighs less (2)

(17.4 oz.)
(11.6 oz.)
More portable (2)

(46 cu.in.)
(25 cu.in.)

Conclusion: Advantages of the Alpha A6400 are the larger sensitivity, the larger selection of lenses and the built-in flash. A nice touch is that the battery has more stamina, the lower weight than the X-T3 and the more compact size.

Yields 16 points for the Alpha A6400.

Common Specs for both cameras compared


Alpha A6400

Sensor format

Sensor cleaning

Articulated screen

Touch screen

Video resolution

3840 x 2160 3840 x 2160
External microphone


Fujifilm X-T3 VS Sony Alpha A6400 Dimensions

Look at front view of the X-T3 and Alpha A6400

Top view of cameras

Total scores

Here’s the total score according to comparison above:

Fujifilm X-T3

Sony Alpha A6400


We advise to choose the newest model: Sony Alpha A6400.