Sony Alpha A7S III vs Sony FX3: Specs & Differences
Head-to-head camera performance analysis
Sony Alpha A7S III
sony
$3198
SLR-style mirrorless
See Sony Alpha A7S III full specs
Compare with Sony Alpha A7C Mark IISony FX3
sony
$3698
Rangefinder-style mirrorless
Sony Alpha A7S III
76
122 out of 160
Tie
3.8/5
3.8/5
Sony FX3
76
122 out of 160
Quick Spec Comparison
| Specification | Sony Alpha A7S III | Sony FX3 |
|---|---|---|
| Sensor Size | Full frame (35.6 x 23.8 mm) | Full frame (35.6 x 23.8 mm) |
| ISO Range | 80 - 102400 | 80 - 102400 |
| Storage Slots | 2 | 2 |
| Weather Sealing | Yes | Yes |
| Lens Mount | Sony E | Sony E |
Sony Alpha A7S III vs Sony FX3
Sensor Size
Sony Alpha A7S III: 8/10Sony FX3: 8/10
8
8
Full frameFull frame
Storage Slots
Sony Alpha A7S III: 10/10Sony FX3: 10/10
10
10
22
Image Quality (DXO Overall)
Sony Alpha A7S III: 9/10Sony FX3: 9/10
9
9
8585
Resolution
Sony Alpha A7S III: 4/10Sony FX3: 4/10
4
4
1212
Low Light Performance
Sony Alpha A7S III: 10/10Sony FX3: 10/10
10
10
ISO 3900ISO 3900
Max ISO Score
Sony Alpha A7S III: 9/10Sony FX3: 9/10
9
9
ISO 102400ISO 102400
Dynamic Range
Sony Alpha A7S III: 9/10Sony FX3: 9/10
9
9
13.4 EV13.4 EV
Autofocus System
Sony Alpha A7S III: 10/10Sony FX3: 10/10
10
10
759 points759 points
Video Capabilities
Sony Alpha A7S III: 8/10Sony FX3: 8/10
8
8
3840 x 21603840 x 2160
Burst Speed
Sony Alpha A7S III: 7/10Sony FX3: 7/10
7
7
1010
Battery Life
Sony Alpha A7S III: 8/10Sony FX3: 8/10
8
8
600600
Viewfinder Quality
Sony Alpha A7S III: 5/10Sony FX3: 5/10
5
5
9,440k dotsno electronic viewfinder
Portability
Sony Alpha A7S III: 9/10Sony FX3: 9/10
9
9
699716
Lens Ecosystem
Sony Alpha A7S III: 8/10Sony FX3: 8/10
8
8
284 lenses284 lenses
Value for Money
Sony Alpha A7S III: 6/10Sony FX3: 6/10
6
6
$3198$3698
Durability
Sony Alpha A7S III: 2/10Sony FX3: 2/10
2
2
22
Comparison Summary
Equal performance
Tied Categories
16