Fujifilm X-S20 vs Fujifilm GFX 100S

This is a full comparison between the cameras Fujifilm X-S20 and Fujifilm GFX 100S. We compare them by looking at the categories you see below.

Fujifilm X-S20

Fujifilm GFX 100S

Manufacturing

These cameras are both manufactured by Fujifilm.

Fujifilm X-S20 were released 2023 and Fujifilm GFX 100S was released 2021. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Fujifilm X-S20	2023
Fujifilm GFX 100S	2021

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm X-S20 has a "Fujifilm APS-C"-sensor while Fujifilm GFX 100S has a "Fujifilm Medium Format"-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-S20	75 mm Fujifilm sensor Crop factor/focal length multiplier by * 1.5
Fujifilm GFX 100S	39.5 mm Fujifilm Medium Format sensor Crop factor/focal length multiplier by * 0.79

** 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

Fujifilm X-S20 has a 26 MP (Megapixels) resolution while Fujifilm GFX 100S has 102 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Fujifilm X-S20	26 MP 25958400 pixels 6240 x 4160
Fujifilm GFX 100S	102 MP 101756928 pixels 11648 x 8736

Fujifilm GFX 100S has a 292 % larger resolution than Fujifilm X-S20. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Fujifilm GFX 100S has a larger ISO-range than Fujifilm X-S20. Fujifilm GFX 100S has an ISO range that stretches from 100 to 12800 while Fujifilm X-S20 has 160 to 12800.

Camera	ISO Range
Fujifilm X-S20	160-12800
Fujifilm GFX 100S	100-12800

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-S20
Lens compatibility chart for Fujifilm GFX 100S

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm X-S20 can shoot up to 8 pictures per seconds and Fujifilm GFX 100S can shoot up to 5 pictures per seconds.

Camera	FPS (Frames per second)
Fujifilm X-S20	8
Fujifilm GFX 100S	5

Ability to record movies

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

In this case, both Fujifilm X-S20 and Fujifilm GFX 100S 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.

Fujifilm GFX 100S weighs 900 gr (equal to 1.98 lb) which is 83% heavier than Fujifilm X-S20 and its 491 gr (or 1.08 lb).

Camera	Weight
Fujifilm X-S20	491 gr 1.08 lb
Fujifilm GFX 100S	900 gr 1.98 lb