Sony α9 III
Global shutter · 24.6 MP · 120fps
Sony α1 II
Stacked 50MP · 30fps · Pre-capture
Sony α1 II takes it — here’s why.
In our weighted Specdex score, Sony α9 III lands at 94 and Sony α1 II at 96. That puts Sony α1 II ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sony α9 III if…
- ✓First full-frame global-shutter camera
- ✓120 fps at full resolution (14-bit RAW)
- ✓Sync flash to any shutter speed up to 1/80000 s
Pick Sony α1 II if…
- ✓50MP at 30fps with pre-capture
- ✓AI processing unit improves AF
- ✓Best EVF in class
Winner by scenario
Derived from the sub-score breakdown · not a separate testAutofocus
Sony α9 IIICompared on the autofocus sub-score
Sony α9 III leads on af (100 vs 96).
Sensor
Sony α1 IICompared on the sensor sub-score
Sony α1 II leads on sensor (96 vs 92).
Video
Sony α1 IICompared on the video sub-score
Sony α1 II leads on video (96 vs 92).
Value for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | Sony α9 III | Sony α1 II |
|---|---|---|
| Sensor | 24.6 MP global-shutter CMOS | 50.1 MP stacked CMOS |
| Mount | Sony E | Sony E |
| Max shutter | 1/80000 s electronic | — |
| Burst | Up to 120 fps full-res JPG / 14-bit RAW | 30 fps with AF/AE |
| Video | Up to 4K (3840×2160) at 120 fps | 8K 30p · 4K 120p |
| AF | 759 phase-detect points (still) / 627 (video) | Subject Recognition + AI processing unit |
| ISO | ISO 250–25600 native (125–51200 extended) | — |
| Weight | ▲ 702 g (with battery + card) | 743 g |
| Storage | — | Dual CFexpress A / SD UHS-II |
Sony α9 III
- +First full-frame global-shutter camera
- +120 fps at full resolution (14-bit RAW)
- +Sync flash to any shutter speed up to 1/80000 s
- −24.6 MP feels conservative for the price
- −$5,999 body-only
- −ISO range tops at 25600 native
Sony α1 II
- +50MP at 30fps with pre-capture
- +AI processing unit improves AF
- +Best EVF in class
- −Bigger battery solves only modestly
- −Menu system still complex
- −Dual CFexpress A required
FAQ: Sony α9 III vs Sony α1 II
Which is better, Sony α9 III or Sony α1 II? +
Sony α1 II scores 96 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Sony α9 III worth the price? +
At $5,999, Sony α9 III delivers a Specdex score of 94 — strongest in af.
Is Sony α1 II worth the price? +
At $6,499, Sony α1 II delivers a Specdex score of 96 — strongest in sensor.
Does Sony α9 III or Sony α1 II last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for autofocus, Sony α9 III or Sony α1 II? +
Sony α9 III — leads on af (100 vs 96). Compared on the autofocus sub-score.
Which is better for sensor, Sony α9 III or Sony α1 II? +
Sony α1 II — leads on sensor (96 vs 92). Compared on the sensor sub-score.