Fujifilm X-A3 vs Canon EOS R3

This is a full comparison between the cameras Fujifilm X-A3 and Canon EOS R3. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm X-A3 is manufacturered by Fujifilm but Canon EOS R3 is from Canon. Both Fujifilm and Canon are well known brands though.

Fujifilm X-A3 were released 2016 and Canon EOS R3 was released 2021. That is a 5 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Fujifilm X-A3 2016
Canon EOS R3 2021

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Fujifilm X-A3 has a "Fujifilm APS-C"-sensor while Canon EOS R3 has a "Canon 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-A3 75 mm
Fujifilm sensor
Crop factor/focal length multiplier by * 1.5
Canon EOS R3 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

Both these cameras have the exact same resolution. Fujifilm X-A3 has a 24 MP (Megapixels) resolution while Canon EOS R3 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Fujifilm X-A3 24 MP
24000000 pixels
6000 x 4000
Canon EOS R3 24 MP
24000000 pixels
6000 x 4000

ISO range

Canon EOS R3 has a larger ISO-range than Fujifilm X-A3. Canon EOS R3 has an ISO range that stretches from 100 to 102400 while Fujifilm X-A3 has 200 to 6400.

Camera ISO Range
Fujifilm X-A3 200-6400
Canon EOS R3 100-102400

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 R3 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 X-A3
Lens compatibility chart for Canon EOS R3

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Fujifilm X-A3 can shoot up to 6 pictures per seconds and Canon EOS R3 can shoot up to 30 pictures per seconds.

Camera FPS (Frames per second)
Fujifilm X-A3 6
Canon EOS R3 30

Ability to record movies

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

In this case, both Fujifilm X-A3 and Canon EOS R3 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.

Canon EOS R3 weighs 1015 gr (equal to 2.24 lb) which is 199% heavier than Fujifilm X-A3 and its 339 gr (or 0.75 lb).

Camera Weight
Fujifilm X-A3 339 gr
0.75 lb
Canon EOS R3 1015 gr
2.24 lb

Fujifilm X-A3 vs Canon EOS R3 Specs

Below you will find the complete and detailed technical specs for both Fujifilm X-A3 and Canon EOS R3, 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-A3
Canon EOS R3
Name Fujifilm X-A3 Canon EOS R3
Manufacturer Fujifilm Canon
Release Date and Price
Fujifilm X-A3
Canon EOS R3
Release Year 2016 2021
Release Date 2016-08-25 2021-04-14
MSRP 599 USD 5999 USD
Buy it today
Camera Type
Fujifilm X-A3
Canon EOS R3
Camera Type Mirrorless Mirrorless
Sensor
Fujifilm X-A3
Canon EOS R3
Sensor Size APS-C (approx 23.5 x 15.6 mm) Full Frame (approx 36 x 24 mm)
Sensor Type CMOS Stacked CMOS
Resolution 6000 x 4000 pixels 6000 x 4000 pixels
Megapixels 24 MP 24 MP
Image Processor EXR Processor II DIGIC X
Image
Fujifilm X-A3
Canon EOS R3
ISO Range 200 - 6400 100 - 102400
White Balance Presets 7 6
Custom White Balance Yes No
Image Stabilization No Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Fujifilm X-A3
Canon EOS R3
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
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 77 1053
Lens Mount Fujifilm X

See Compatible Lenses
Canon RF

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-A3
Canon EOS R3
Articulated LCD Tilting Fully articulated
Screen size 3” 3.2”
Screen dots 1040000 4150000
Touch screen Yes Yes
Screen type TFT LCD TFT LCD
Live view Yes Yes
Viewfinder Type No Viewfinder Electronic
Viewfinder Coverage 100%
Viewfinder Magnification 0.76×
Viewfinder Resolution 0 5760000
Photography features
Fujifilm X-A3
Canon EOS R3
Frames per second 6 fps 30 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes No
Built-in Flash Range 7 meters N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Spot
Average
Multi
Center Weighted
Spot
Partial
Exposure Compensation +/- 3 (at 1/3 EV steps) +/- 3 (at 1/3 EV, 1/2 EV steps)
Videography features
Fujifilm X-A3
Canon EOS R3
Video recording Yes Yes
Video format MPEG4
H.264
MPEG4
H.264
H.265
Video resolution 1280 x 720
1920 x 1080
1920 x 1080
3840 x 2160
4096 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Fujifilm X-A3
Canon EOS R3
Memory Card SD/SDHC
Compact Flash Express
SD/SDHC
Connectivity
Fujifilm X-A3
Canon EOS R3
HDMI Output Yes Yes
Microphone Port No Yes
Headphone Port No Yes
Wireless Yes
Built-in (802.11b/g/n)
Yes
Built-in (802.11ac + Bluetooth)
Remote Control Yes (wired or via smartphone) Yes (via smartphone)
GPS No Yes
Built-in
Body & Dimensions
Fujifilm X-A3
Canon EOS R3
Enviromentally sealed No Yes
Battery Battery Pack Built-in
Battery Details NP-W126S lithium-ion battery & USB charger
LP-E19 lithium-ion battery & charger
Battery Life (CIPA) 410 shots 760 shots
Width 117 mm 150 mm
Height 67 mm 143 mm
Depth 40 mm 87 mm
Weight 339 gram 1015 gram