Fujifilm GFX 100 II vs Sony a6100

This is a full comparison between the cameras Fujifilm GFX 100 II and Sony a6100. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm GFX 100 II is manufacturered by Fujifilm but Sony a6100 is from Sony. Both Fujifilm and Sony are well known brands though.

Fujifilm GFX 100 II were released 2023 and Sony a6100 was released 2019. That is a 4 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Fujifilm GFX 100 II 2023
Sony a6100 2019

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm GFX 100 II has a "Fujifilm Medium Format"-sensor while Sony a6100 has a "Sony 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 100 II 39.5 mm
Fujifilm Medium Format sensor
Crop factor/focal length multiplier by * 0.79
Sony a6100 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5

** 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 100 II has a 102 MP (Megapixels) resolution while Sony a6100 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Fujifilm GFX 100 II 102 MP
101756928 pixels
11648 x 8736
Sony a6100 24 MP
24000000 pixels
6000 x 4000

Fujifilm GFX 100 II has a 324 % larger resolution than Sony a6100. 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

Sony a6100 has a larger ISO-range than Fujifilm GFX 100 II. Sony a6100 has an ISO range that stretches from 100 to 32000 while Fujifilm GFX 100 II has 100 to 12800.

Camera ISO Range
Fujifilm GFX 100 II 100-12800
Sony a6100 100-32000

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 GFX 100 II
Lens compatibility chart for Sony a6100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm GFX 100 II can shoot up to 8 pictures per seconds and Sony a6100 can shoot up to 11 pictures per seconds.

Camera FPS (Frames per second)
Fujifilm GFX 100 II 8
Sony a6100 11

Ability to record movies

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

In this case, both Fujifilm GFX 100 II and Sony a6100 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 100 II weighs 1030 gr (equal to 2.27 lb) which is 160% heavier than Sony a6100 and its 396 gr (or 0.87 lb).

Camera Weight
Fujifilm GFX 100 II 1030 gr
2.27 lb
Sony a6100 396 gr
0.87 lb

Fujifilm GFX 100 II vs Sony a6100 Specs

Below you will find the complete and detailed technical specs for both Fujifilm GFX 100 II and Sony a6100, 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 100 II
Sony a6100
Name Fujifilm GFX 100 II Sony a6100
Manufacturer Fujifilm Sony
Release Date and Price
Fujifilm GFX 100 II
Sony a6100
Release Year 2023 2019
Release Date 2023-09-12 2019-08-28
MSRP 7499 USD 749 USD
Buy it today
Camera Type
Fujifilm GFX 100 II
Sony a6100
Camera Type Mirrorless Mirrorless
Sensor
Fujifilm GFX 100 II
Sony a6100
Sensor Size Medium Format (approx 44 x 33 mm) APS-C (approx 23.5 x 15.6 mm)
Sensor Type BSI-CMOS CMOS
Resolution 11648 x 8736 pixels 6000 x 4000 pixels
Megapixels 102 MP 24 MP
Image Processor X-Processor 5 Bionz X
Image
Fujifilm GFX 100 II
Sony a6100
ISO Range 100 - 12800 100 - 32000
White Balance Presets 7 10
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift)
No
Image Stabilization CIPA Rating 8 stops 0 stops
Uncompressed format RAW + TIFF RAW
Optics & Focus
Fujifilm GFX 100 II
Sony a6100
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
Touch
Face Detection
LiveView
Focus Points 425 425
Lens Mount Fujifilm G

See Compatible Lenses
Sony E

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 (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Fujifilm GFX 100 II
Sony a6100
Articulated LCD Tilting Tilting
Screen size 3.2” 3”
Screen dots 2360000 921600
Touch screen Yes Yes
Screen type TFT LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 1× (1.27× 35mm equiv.) 1.07× (0.71× 35mm equiv.)
Viewfinder Resolution 9440000 1440000
Photography features
Fujifilm GFX 100 II
Sony a6100
Frames per second 8 fps 11 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/4000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 6 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Average
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Fujifilm GFX 100 II
Sony a6100
Video recording Yes Yes
Video format MPEG4
H.264
H.265
MPEG4
H.264
XAVC-S
AVCHD
Video resolution 1920 x 1080
3840 x 2160
8192 x 4320
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Fujifilm GFX 100 II
Sony a6100
Memory Card Compact Flash Express
SD/SDHC
Memory Stick Pro Duo
SD/SDHC
Connectivity
Fujifilm GFX 100 II
Sony a6100
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 (802.11b/g/n + NFC + Bluetooth)
Remote Control Supported (No futher information) Yes (wireless or smartphone)
GPS No No
Body & Dimensions
Fujifilm GFX 100 II
Sony a6100
Enviromentally sealed Yes No
Battery Battery Pack Battery Pack
Battery Details NP-W235 lithium-ion battery & charger
NP-FW50 lithium-ion battery & charger
Battery Life (CIPA) 540 shots 420 shots
Width 152 mm 120 mm
Height 117 mm 67 mm
Depth 99 mm 59 mm
Weight 1030 gram 396 gram