Fujifilm X-T3 vs Sony a7 IV

This is a full comparison between the cameras Fujifilm X-T3 and Sony a7 IV. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm X-T3 is manufacturered by Fujifilm but Sony a7 IV is from Sony. Both Fujifilm and Sony are well known brands though.

Fujifilm X-T3 were released 2018 and Sony a7 IV was released 2021. That is a 3 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Fujifilm X-T3 2018
Sony a7 IV 2021

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm X-T3 has a "Fujifilm APS-C"-sensor while Sony a7 IV 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-T3 75 mm
Fujifilm sensor
Crop factor/focal length multiplier by * 1.5
Sony a7 IV 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

Fujifilm X-T3 has a 26 MP (Megapixels) resolution while Sony a7 IV has 33 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Fujifilm X-T3 26 MP
25958400 pixels
6240 x 4160
Sony a7 IV 33 MP
32741376 pixels
7008 x 4672

Sony a7 IV has a 26 % larger resolution than Fujifilm X-T3. 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 a7 IV has a larger ISO-range than Fujifilm X-T3. Sony a7 IV has an ISO range that stretches from 100 to 51200 while Fujifilm X-T3 has 160 to 12800.

Camera ISO Range
Fujifilm X-T3 160-12800
Sony a7 IV 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-T3
Lens compatibility chart for Sony a7 IV

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm X-T3 can shoot up to 20 pictures per seconds and Sony a7 IV can shoot up to 10 pictures per seconds.

Camera FPS (Frames per second)
Fujifilm X-T3 20
Sony a7 IV 10

Ability to record movies

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

In this case, both Fujifilm X-T3 and Sony a7 IV 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 IV weighs 659 gr (equal to 1.45 lb) which is 22% heavier than Fujifilm X-T3 and its 539 gr (or 1.19 lb).

Camera Weight
Fujifilm X-T3 539 gr
1.19 lb
Sony a7 IV 659 gr
1.45 lb

Fujifilm X-T3 vs Sony a7 IV Specs

Below you will find the complete and detailed technical specs for both Fujifilm X-T3 and Sony a7 IV, 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 X-T3
Sony a7 IV
Name Fujifilm X-T3 Sony a7 IV
Manufacturer Fujifilm Sony
Release Date and Price
Fujifilm X-T3
Sony a7 IV
Release Year 2018 2021
Release Date 2018-09-06 2021-10-21
MSRP 1499 USD 2499 USD
Buy it today
Camera Type
Fujifilm X-T3
Sony a7 IV
Camera Type Mirrorless Mirrorless
Sensor
Fujifilm X-T3
Sony a7 IV
Sensor Size APS-C (approx 23.5 x 15.6 mm) Full Frame (approx 36 x 24 mm)
Sensor Type BSI-CMOS BSI-CMOS
Resolution 6240 x 4160 pixels 7008 x 4672 pixels
Megapixels 26 MP 33 MP
Image Processor X-Processor 4 BIONZ XR
Image
Fujifilm X-T3
Sony a7 IV
ISO Range 160 - 12800 100 - 51200
White Balance Presets 7 7
Custom White Balance Yes Yes
Image Stabilization No Yes
(Sensor-Shift (5-axis))
Image Stabilization CIPA Rating 0 stops 5.5 stops
Uncompressed format RAW RAW
Optics & Focus
Fujifilm X-T3
Sony a7 IV
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 425 759
Lens Mount Fujifilm X

See Compatible Lenses
Sony E

See Compatible Lenses
Focal Length Multiplier 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
Full frame
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Screen & Viewfinder
Fujifilm X-T3
Sony a7 IV
Articulated LCD Tilting Fully articulated
Screen size 3” 3”
Screen dots 1040000 1036800
Touch screen Yes Yes
Screen type TFT LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 1.125× (0.75× 35mm equiv.) 0.78x
Viewfinder Resolution 3690000 3686400
Photography features
Fujifilm X-T3
Sony a7 IV
Frames per second 20 fps 10 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/8000 seconds
Built-in Flash No No
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes No
Metering modes Multi
Center Weighted
Spot
Average
Multi
Center Weighted
Highlight Weighted
Spot
Average
Exposure Compensation +/- 5 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Fujifilm X-T3
Sony a7 IV
Video recording Yes Yes
Video format MPEG4
H.264
H.265
MPEG4
H.264
H.265
XAVC-S
XAVC-HS
Video resolution 1920 x 1080
3840 x 2160
4096 x 2160
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Fujifilm X-T3
Sony a7 IV
Memory Card SD/SDHC
Compact Flash Express
SD/SDHC
Connectivity
Fujifilm X-T3
Sony a7 IV
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-in ( 802.11b/g/n + Bluetooth 4.2 LE)
Yes
Built-in (802.11ac (dual band) + Bluetooth)
Remote Control Yes (via smartphone or cable release) Yes (wireless or smartphone)
GPS No No
Body & Dimensions
Fujifilm X-T3
Sony a7 IV
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-W126S lithium-ion battery & charger
NP-FZ100 lithium-ion battery charger
Battery Life (CIPA) 390 shots 580 shots
Width 133 mm 131 mm
Height 93 mm 96 mm
Depth 59 mm 80 mm
Weight 539 gram 659 gram