Sony A7S III
full-frame · 2020
Nikon Z9
full-frame · 2021
Nikon Z9 takes it — here’s why.
In our weighted Specdex score, Sony A7S III lands at 91 and Nikon Z9 at 94. That puts Nikon Z9 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sony A7S III if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Pick Nikon Z9 if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Winner by scenario
Derived from the sub-score breakdown · not a separate testPhoto
Nikon Z9Compared on the photo sub-score
Nikon Z9 leads on photo (94 vs 91).
Autofocus
Nikon Z9Compared on the autofocus sub-score
Nikon Z9 leads on autofocus (92 vs 89).
Video
Nikon Z9Compared on the video sub-score
Nikon Z9 leads on video (90 vs 87).
Value for money
Sony A7S IIISpecdex score per dollar at MSRP
Sony A7S III more score per dollar ($3,498 vs $5,499).
Score breakdown
Specs side-by-side
| Spec | Sony A7S III | Nikon Z9 |
|---|---|---|
| Format | full-frame | full-frame |
| Release year | 2020 | 2021 |
Sony A7S III
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
Nikon Z9
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
FAQ: Sony A7S III vs Nikon Z9
Which is better, Sony A7S III or Nikon Z9? +
Nikon Z9 scores 94 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Sony A7S III worth the price? +
At $3,498, Sony A7S III delivers a Specdex score of 91 — strongest in photo.
Is Nikon Z9 worth the price? +
At $5,499, Nikon Z9 delivers a Specdex score of 94 — strongest in photo.
Does Sony A7S III or Nikon Z9 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 photo, Sony A7S III or Nikon Z9? +
Nikon Z9 — leads on photo (94 vs 91). Compared on the photo sub-score.
Which is better for autofocus, Sony A7S III or Nikon Z9? +
Nikon Z9 — leads on autofocus (92 vs 89). Compared on the autofocus sub-score.