Sony A6400
APS-C · 2019
Nikon Z6 III
full-frame · 2024
Nikon Z6 III takes it — here’s why.
In our weighted Specdex score, Sony A6400 lands at 78 and Nikon Z6 III at 91. That puts Nikon Z6 III ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Sony A6400 if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Pick Nikon Z6 III if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Winner by scenario
Derived from the sub-score breakdown · not a separate testErgonomics
TieCompared on the ergonomics sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Photo
Nikon Z6 IIICompared on the photo sub-score
Nikon Z6 III leads on photo (91 vs 78).
Autofocus
Nikon Z6 IIICompared on the autofocus sub-score
Nikon Z6 III leads on autofocus (89 vs 74).
Value for money
Sony A6400Specdex score per dollar at MSRP
Sony A6400 more score per dollar ($899 vs $2,499).
Score breakdown
Specs side-by-side
| Spec | Sony A6400 | Nikon Z6 III |
|---|---|---|
| Format | APS-C | full-frame |
| Release year | 2019 | 2024 |
Sony A6400
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
Nikon Z6 III
- +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 A6400 vs Nikon Z6 III
Which is better, Sony A6400 or Nikon Z6 III? +
Nikon Z6 III scores 91 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.
Is Sony A6400 worth the price? +
At $899, Sony A6400 delivers a Specdex score of 78 — strongest in ergonomics.
Is Nikon Z6 III worth the price? +
At $2,499, Nikon Z6 III delivers a Specdex score of 91 — strongest in photo.
Does Sony A6400 or Nikon Z6 III 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 A6400 or Nikon Z6 III? +
Nikon Z6 III — leads on photo (91 vs 78). Compared on the photo sub-score.
Which is better for autofocus, Sony A6400 or Nikon Z6 III? +
Nikon Z6 III — leads on autofocus (89 vs 74). Compared on the autofocus sub-score.