Sony α1 II
Stacked 50MP · 30fps · Pre-capture
Sony A6400
APS-C · 2019
Sony α1 II takes it — here’s why.
In our weighted Specdex score, Sony α1 II lands at 96 and Sony A6400 at 78. That puts Sony α1 II ahead by 18 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Sony α1 II if…
- ✓50MP at 30fps with pre-capture
- ✓AI processing unit improves AF
- ✓Best EVF in class
Pick Sony A6400 if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Winner by scenario
Derived from the sub-score breakdown · not a separate testErgonomics
Sony α1 IICompared on the ergonomics sub-score
Sony α1 II leads on ergonomics (92 vs 86).
Video
Sony α1 IICompared on the video sub-score
Sony α1 II leads on video (96 vs 70).
Value for money
Sony A6400Specdex score per dollar at MSRP
Sony A6400 more score per dollar ($899 vs $6,499).
Score breakdown
Specs side-by-side
| Spec | Sony α1 II | Sony A6400 |
|---|---|---|
| Sensor | 50.1 MP stacked CMOS | — |
| Mount | Sony E | — |
| Burst | 30 fps with AF/AE | — |
| Video | 8K 30p · 4K 120p | — |
| AF | Subject Recognition + AI processing unit | — |
| Storage | Dual CFexpress A / SD UHS-II | — |
| Weight | 743 g | — |
| Format | — | APS-C |
| Release year | — | 2019 |
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
Sony A6400
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
FAQ: Sony α1 II vs Sony A6400
Which is better, Sony α1 II or Sony A6400? +
Sony α1 II scores 96 on our weighted rubric — ahead by 18. Your best pick depends on the sub-scores above.
Is Sony α1 II worth the price? +
At $6,499, Sony α1 II delivers a Specdex score of 96 — strongest in sensor.
Is Sony A6400 worth the price? +
At $899, Sony A6400 delivers a Specdex score of 78 — strongest in ergonomics.
Does Sony α1 II or Sony A6400 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 ergonomics, Sony α1 II or Sony A6400? +
Sony α1 II — leads on ergonomics (92 vs 86). Compared on the ergonomics sub-score.
Which is better for video, Sony α1 II or Sony A6400? +
Sony α1 II — leads on video (96 vs 70). Compared on the video sub-score.