Canon EOS R1
Stacked 24MP · 40fps · Pro sports
Sony A7R III
full-frame · 2017
Canon EOS R1 takes it — here’s why.
In our weighted Specdex score, Canon EOS R1 lands at 96 and Sony A7R III at 84. That puts Canon EOS R1 ahead by 12 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Canon EOS R1 if…
- ✓Eye-control AF returns and works
- ✓No-blackout EVF at 40fps
- ✓Built-in vertical grip
Pick Sony A7R III 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
Canon EOS R1Compared on the ergonomics sub-score
Canon EOS R1 leads on ergonomics (96 vs 86).
Video
Canon EOS R1Compared on the video sub-score
Canon EOS R1 leads on video (96 vs 76).
Value for money
Sony A7R IIISpecdex score per dollar at MSRP
Sony A7R III more score per dollar ($3,199 vs $6,299).
Score breakdown
Specs side-by-side
| Spec | Canon EOS R1 | Sony A7R III |
|---|---|---|
| Sensor | 24.2 MP stacked CMOS | — |
| Mount | Canon RF | — |
| Burst | 40 fps electronic / 12 fps mechanical | — |
| Video | 6K 60p RAW · 4K 120p | — |
| AF | Dual Pixel Intelligent AF + Eye-control | — |
| Storage | Dual CFexpress B | — |
| Weight | 1115 g | — |
| Format | — | full-frame |
| Release year | — | 2017 |
Canon EOS R1
- +Eye-control AF returns and works
- +No-blackout EVF at 40fps
- +Built-in vertical grip
- −Resolution conservative at 24 MP
- −Heavy at 1115g
- −Pro-only price
Sony A7R III
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
FAQ: Canon EOS R1 vs Sony A7R III
Which is better, Canon EOS R1 or Sony A7R III? +
Canon EOS R1 scores 96 on our weighted rubric — ahead by 12. Your best pick depends on the sub-scores above.
Is Canon EOS R1 worth the price? +
At $6,299, Canon EOS R1 delivers a Specdex score of 96 — strongest in af.
Is Sony A7R III worth the price? +
At $3,199, Sony A7R III delivers a Specdex score of 84 — strongest in ergonomics.
Does Canon EOS R1 or Sony A7R 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 ergonomics, Canon EOS R1 or Sony A7R III? +
Canon EOS R1 — leads on ergonomics (96 vs 86). Compared on the ergonomics sub-score.
Which is better for video, Canon EOS R1 or Sony A7R III? +
Canon EOS R1 — leads on video (96 vs 76). Compared on the video sub-score.