Fujifilm GFX 100S vs Canon EOS R100

This is a full comparison between the cameras Fujifilm GFX 100S and Canon EOS R100. We compare them by looking at the categories you see below.

Fujifilm GFX 100S

Canon EOS R100

Manufacturing

Fujifilm GFX 100S is manufacturered by Fujifilm but Canon EOS R100 is from Canon. Both Fujifilm and Canon are well known brands though.

Fujifilm GFX 100S were released 2021 and Canon EOS R100 was released 2023. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Fujifilm GFX 100S	2021
Canon EOS R100	2023

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm GFX 100S has a "Fujifilm Medium Format"-sensor while Canon EOS R100 has a "Canon APS-C"-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 GFX 100S	39.5 mm Fujifilm Medium Format sensor Crop factor/focal length multiplier by * 0.79
Canon EOS R100	80 mm Canon APS-C sensor Crop factor/focal length multiplier by * 1.6

** 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 GFX 100S has a 102 MP (Megapixels) resolution while Canon EOS R100 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Fujifilm GFX 100S	102 MP 101756928 pixels 11648 x 8736
Canon EOS R100	24 MP 24000000 pixels 6000 x 4000

Fujifilm GFX 100S has a 324 % larger resolution than Canon EOS R100. 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

Both of these cameras offer the exact same ISO range. They both have 100 to 12800.

Camera	ISO Range
Fujifilm GFX 100S	100-12800
Canon EOS R100	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.

Worth mentioning is that Canon EOS R100 belongs to the Canon EOS R-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS R

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Fujifilm GFX 100S
Lens compatibility chart for Canon EOS R100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm GFX 100S can shoot up to 5 pictures per seconds and Canon EOS R100 can shoot up to 6,5 pictures per seconds.

Camera	FPS (Frames per second)
Fujifilm GFX 100S	5
Canon EOS R100	6,5

Ability to record movies

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

In this case, both Fujifilm GFX 100S and Canon EOS R100 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 153% heavier than Canon EOS R100 and its 356 gr (or 0.78 lb).

Camera	Weight
Fujifilm GFX 100S	900 gr 1.98 lb
Canon EOS R100	356 gr 0.78 lb