Fujifilm X-T3 vs Sony a99

This is a full comparison between the cameras Fujifilm X-T3 and Sony a99. We compare them by looking at the categories you see below.

Manufacturing

Fujifilm X-T3 is manufacturered by Fujifilm but Sony a99 is from Sony. Both Fujifilm and Sony are well known brands though.

Fujifilm X-T3 were released 2018 and Sony a99 was released 2012. That is a 6 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Fujifilm X-T3 2018
Sony a99 2012

Type of camera

Sensors / crop factor

These cameras have different sensors. Fujifilm X-T3 has a "Fujifilm APS-C"-sensor while Sony a99 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 a99 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 a99 has 24 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 a99 24 MP
24000000 pixels
6000 x 4000

Fujifilm X-T3 has a 8 % larger resolution than Sony a99. 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 a99 has a larger ISO-range than Fujifilm X-T3. Sony a99 has an ISO range that stretches from 100 to 25600 while Fujifilm X-T3 has 160 to 12800.

Camera ISO Range
Fujifilm X-T3 160-12800
Sony a99 100-25600

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 a99

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 a99 can shoot up to 6 pictures per seconds.

Camera FPS (Frames per second)
Fujifilm X-T3 20
Sony a99 6

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 a99 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 a99 weighs 812 gr (equal to 1.79 lb) which is 51% heavier than Fujifilm X-T3 and its 539 gr (or 1.19 lb).

Camera Weight
Fujifilm X-T3 539 gr
1.19 lb
Sony a99 812 gr
1.79 lb

Fujifilm X-T3 vs Sony a99 Specs

Below you will find the complete and detailed technical specs for both Fujifilm X-T3 and Sony a99, 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 a99
Name Fujifilm X-T3 Sony a99
Manufacturer Fujifilm Sony
Release Date and Price
Fujifilm X-T3
Sony a99
Release Year 2018 2012
Release Date 2018-09-06 2012-09-12
MSRP 1499 USD 2799 USD
Buy it today
Camera Type
Fujifilm X-T3
Sony a99
Camera Type Mirrorless SLT
Sensor
Fujifilm X-T3
Sony a99
Sensor Size APS-C (approx 23.5 x 15.6 mm) Full Frame (approx 36 x 24 mm)
Sensor Type BSI-CMOS CMOS
Resolution 6240 x 4160 pixels 6000 x 4000 pixels
Megapixels 26 MP 24 MP
Image Processor X-Processor 4 Bionz
Image
Fujifilm X-T3
Sony a99
ISO Range 160 - 12800 100 - 25600
White Balance Presets 7 8
Custom White Balance Yes Yes
Image Stabilization No Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Fujifilm X-T3
Sony a99
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 425 19
Lens Mount Fujifilm X

See Compatible Lenses
Sony A

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 a99
Articulated LCD Tilting Fully articulated
Screen size 3” 3”
Screen dots 1040000 1229000
Touch screen Yes No
Screen type TFT LCD TFT Xtra Fine color LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 1.125× (0.75× 35mm equiv.) 0.71×
Viewfinder Resolution 3690000 N/A
Photography features
Fujifilm X-T3
Sony a99
Frames per second 20 fps 6 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
Spot
Exposure Compensation +/- 5 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Fujifilm X-T3
Sony a99
Video recording Yes Yes
Video format MPEG4
H.264
H.265
MPEG4
H.264
AVCHD
Video resolution 1920 x 1080
3840 x 2160
4096 x 2160
1440 x 1080
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Fujifilm X-T3
Sony a99
Memory Card SD/SDHC
Memory Stick Pro Duo
SD/SDHC
Connectivity
Fujifilm X-T3
Sony a99
HDMI Output Yes Yes
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Built-in ( 802.11b/g/n + Bluetooth 4.2 LE)
No
Remote Control Yes (via smartphone or cable release) Yes (Wired or Wireless (Optional))
GPS No Yes
Built-in
Body & Dimensions
Fujifilm X-T3
Sony a99
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-W126S lithium-ion battery & charger
Lithium-Ion NP-FM500H rechargeable battery & charger
Battery Life (CIPA) 390 shots 500 shots
Width 133 mm 147 mm
Height 93 mm 111 mm
Depth 59 mm 78 mm
Weight 539 gram 812 gram