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.

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

Fujifilm GFX 100S vs Canon EOS R100 Specs

Below you will find the complete and detailed technical specs for both Fujifilm GFX 100S and Canon EOS R100, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Fujifilm GFX 100S
Canon EOS R100
Name Fujifilm GFX 100S Canon EOS R100
Manufacturer Fujifilm Canon
Release Date and Price
Fujifilm GFX 100S
Canon EOS R100
Release Year 2021 2023
Release Date 2021-01-27 2023-05-24
MSRP 5999 USD 480 USD
Buy it today
Camera Type
Fujifilm GFX 100S
Canon EOS R100
Camera Type Mirrorless Mirrorless
Sensor
Fujifilm GFX 100S
Canon EOS R100
Sensor Size Medium Format (approx 44 x 33 mm) APS-C (approx 22.3 x 14.9 mm)
Sensor Type BSI-CMOS CMOS
Resolution 11648 x 8736 pixels 6000 x 4000 pixels
Megapixels 102 MP 24 MP
Image Processor X-Processor 4 DIGIC 8
Image
Fujifilm GFX 100S
Canon EOS R100
ISO Range 100 - 12800 100 - 12800
White Balance Presets 7 6
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift)
No
Image Stabilization CIPA Rating 6 stops 0 stops
Uncompressed format RAW + TIFF RAW
Optics & Focus
Fujifilm GFX 100S
Canon EOS R100
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 425 143
Lens Mount Fujifilm G

See Compatible Lenses
Canon RF

See Compatible Lenses
Focal Length Multiplier Medium Format
0.79x multiplier
Example:
24 mm becomes 19 mm
50 mm becomes 40 mm
100 mm becomes 79 mm
200 mm becomes 158 mm
APS-C Sensor
1.6x multiplier
Example:
24 mm becomes 38 mm
50 mm becomes 80 mm
100 mm becomes 160 mm
200 mm becomes 320 mm
Screen & Viewfinder
Fujifilm GFX 100S
Canon EOS R100
Articulated LCD Tilting Fixed
Screen size 3.2” 3”
Screen dots 2360000 1040000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.61× (0.77× 35mm equiv.) 0.95× (0.59× 35mm equiv.)
Viewfinder Resolution 3690000 N/A
Photography features
Fujifilm GFX 100S
Canon EOS R100
Frames per second 5 fps 6,5 fps
Minimum Shutter Speed 30 seconds 1 seconds
Maximum Shutter Speed 1/4000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Average
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 5 (at 1/3 EV steps) +/- 2 (at 1/3 EV steps)
Videography features
Fujifilm GFX 100S
Canon EOS R100
Video recording Yes Yes
Video format MPEG4
H.264
H.265
MPEG4
H.264
Video resolution 1920 x 1080
3840 x 2160
4096 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes No
Storage
Fujifilm GFX 100S
Canon EOS R100
Memory Card SD/SDHC
SD/SDHC
Connectivity
Fujifilm GFX 100S
Canon EOS R100
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes No
Wireless Yes
Built-in (802.11 b/g/n + Bluetooth)
Yes
Built-In
Remote Control Supported (no further information) Yes (via Smartphone, via BR-E1 remote controller)
GPS No No
Body & Dimensions
Fujifilm GFX 100S
Canon EOS R100
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-W235 lithium-ion battery & charger
LP-E17
Battery Life (CIPA) 460 shots N/A
Width 150 mm 116 mm
Height 104 mm 86 mm
Depth 87 mm 69 mm
Weight 900 gram 356 gram