Canon 5D Mark III
full-frame DSLR · 2012
Sony α1 II
Stacked 50MP · 30fps · Pre-capture
Sony α1 II takes it — here’s why.
In our weighted Specdex score, Canon 5D Mark III lands at 78 and Sony α1 II at 96. That puts Sony α1 II ahead by 18 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Canon 5D Mark III if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
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 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
Canon 5D Mark IIISpecdex score per dollar at MSRP
Canon 5D Mark III more score per dollar ($3,499 vs $6,499).
Score breakdown
Specs side-by-side
| Spec | Canon 5D Mark III | Sony α1 II |
|---|---|---|
| Format | full-frame DSLR | — |
| Release year | 2012 | — |
| 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 |
Canon 5D Mark III
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
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: Canon 5D Mark III vs Sony α1 II
Which is better, Canon 5D Mark III or Sony α1 II? +
Sony α1 II scores 96 on our weighted rubric — ahead by 18. Your best pick depends on the sub-scores above.
Is Canon 5D Mark III worth the price? +
At $3,499, Canon 5D Mark III delivers a Specdex score of 78 — strongest in ergonomics.
Is Sony α1 II worth the price? +
At $6,499, Sony α1 II delivers a Specdex score of 96 — strongest in sensor.
Does Canon 5D Mark 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 ergonomics, Canon 5D Mark III or Sony α1 II? +
Sony α1 II — leads on ergonomics (92 vs 86). Compared on the ergonomics sub-score.
Which is better for video, Canon 5D Mark III or Sony α1 II? +
Sony α1 II — leads on video (96 vs 70). Compared on the video sub-score.