Canon EOS R
full-frame · 2018
Sony A7R III · Body only
full-frame · 2017
Dead heat — it comes down to priorities.
In our weighted Specdex score, Canon EOS R lands at 84 and Sony A7R III · Body only 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 · Body only 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
TieCompared on the ergonomics sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Photo
TieCompared on the photo sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Autofocus
TieCompared on the autofocus sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Canon EOS RSpecdex score per dollar at MSRP
Canon EOS R more score per dollar ($2,299 vs $3,199).
Score breakdown
Specs side-by-side
| Spec | Canon EOS R | Sony A7R III · Body only |
|---|---|---|
| Format | full-frame | full-frame |
| Release year | 2018 | 2017 |
Canon EOS R
- +Mature system, great used market
- +Proven lens lineup
- +Often on sale
- −Older AF system
- −Heavier than modern mirrorless
- −Firmware updates trailed off
Sony A7R III · Body only
- +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 R vs Sony A7R III · Body only
Which is better, Canon EOS R or Sony A7R III · Body only? +
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 · Body only worth the price? +
At $3,199, Sony A7R III · Body only delivers a Specdex score of 84 — strongest in ergonomics.
Does Canon EOS R or Sony A7R III · Body only 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 the better value, Canon EOS R or Sony A7R III · Body only? +
Canon EOS R — more score per dollar ($2,299 vs $3,199). Specdex score per dollar at MSRP.