Sony
Sony α9 III
Global shutter · 24.6 MP · 120fps
94
/ 100
From $5,999
VS
Sony
Sony Alpha 1
full-frame · 2021
94
/ 100
From $6,498
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sony α9 III lands at 94 and Sony Alpha 1 at 94. With scores tied, the decision hinges on which sub-scores matter most to you.
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 Alpha 1 if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Sony α9 III 94
vs 94 Sony Alpha 1
Score breakdown
Sony α9 III
94 sensor 92
af 100
video 92
build 92
ergonomics 92
photo 0
autofocus 0
Sony Alpha 1
94 sensor 0
af 0
video 90
build 0
ergonomics 86
photo 94
autofocus 92
Specs side-by-side
| Spec | Sony α9 III | Sony Alpha 1 |
|---|---|---|
| Sensor | 24.6 MP global-shutter CMOS | — |
| Mount | Sony E | — |
| Max shutter | 1/80000 s electronic | — |
| Burst | Up to 120 fps full-res JPG / 14-bit RAW | — |
| Video | Up to 4K (3840×2160) at 120 fps | — |
| AF | 759 phase-detect points (still) / 627 (video) | — |
| ISO | ISO 250–25600 native (125–51200 extended) | — |
| Weight | 702 g (with battery + card) | — |
| Format | — | full-frame |
| Release year | — | 2021 |
Sony α9 III
Pros
- +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
Cons
- −24.6 MP feels conservative for the price
- −$5,999 body-only
- −ISO range tops at 25600 native
Sony Alpha 1
Pros
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
Cons
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
FAQ: Sony α9 III vs Sony Alpha 1
Which is better, Sony α9 III or Sony Alpha 1? +
Both score 94 on our weighted rubric — tied. 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 Alpha 1 worth the price? +
At $6,498, Sony Alpha 1 delivers a Specdex score of 94 — strongest in photo.
Does Sony α9 III or Sony Alpha 1 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.