Canon
Canon EOS R
full-frame · 2018
84
/ 100
From $2,299
VS
Sony
Sony A7R III
full-frame · 2017
84
/ 100
From $3,199
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Canon EOS R lands at 84 and Sony A7R III at 84. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Canon EOS R if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Pick Sony A7R III if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Canon EOS R 84
vs 84 Sony A7R III
Score breakdown
Canon EOS R
84 photo 84
video 76
autofocus 80
ergonomics 86
Sony A7R III
84 photo 84
video 76
autofocus 80
ergonomics 86
Specs side-by-side
| Spec | Canon EOS R | Sony A7R III |
|---|---|---|
| Format | full-frame | full-frame |
| Release year | 2018 | 2017 |
Canon EOS R
Pros
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
Cons
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
Sony A7R III
Pros
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
Cons
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
FAQ: Canon EOS R vs Sony A7R III
Which is better, Canon EOS R or Sony A7R III? +
Both score 84 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Canon EOS R worth the price? +
At $2,299, Canon EOS R delivers a Specdex score of 84 — strongest in ergonomics.
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 R 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.