Fujifilm X-A3 vs Sony a7 III

This is a full comparison between the cameras Fujifilm X-A3 and Sony a7 III. We compare them by looking at the categories you see below.

Fujifilm X-A3

Sony a7 III

Manufacturing

Fujifilm X-A3 is manufacturered by Fujifilm but Sony a7 III is from Sony. Both Fujifilm and Sony are well known brands though.

Fujifilm X-A3 were released 2016 and Sony a7 III was released 2018. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Fujifilm X-A3	2016
Sony a7 III	2018

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm X-A3 has a "Fujifilm APS-C"-sensor while Sony a7 III has a "Sony Full Frame"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera	Focal length, 50mm f/1.8 **
Fujifilm X-A3	75 mm Fujifilm sensor Crop factor/focal length multiplier by * 1.5
Sony a7 III	50 mm Full-frame sensor No crop factor/focal length multiplier

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:

Resolution

Both these cameras have the exact same resolution. Fujifilm X-A3 has a 24 MP (Megapixels) resolution while Sony a7 III has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Fujifilm X-A3	24 MP 24000000 pixels 6000 x 4000
Sony a7 III	24 MP 24000000 pixels 6000 x 4000

ISO range

Sony a7 III has a larger ISO-range than Fujifilm X-A3. Sony a7 III has an ISO range that stretches from 100 to 51200 while Fujifilm X-A3 has 200 to 6400.

Camera	ISO Range
Fujifilm X-A3	200-6400
Sony a7 III	100-51200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Fujifilm X-A3
Lens compatibility chart for Sony a7 III

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm X-A3 can shoot up to 6 pictures per seconds and Sony a7 III can shoot up to 10 pictures per seconds.

Camera	FPS (Frames per second)
Fujifilm X-A3	6
Sony a7 III	10

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Fujifilm X-A3 and Sony a7 III can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7 III weighs 650 gr (equal to 1.43 lb) which is 92% heavier than Fujifilm X-A3 and its 339 gr (or 0.75 lb).

Camera	Weight
Fujifilm X-A3	339 gr 0.75 lb
Sony a7 III	650 gr 1.43 lb