Canon EOS R3
full-frame · 2021
Sony A7 IV · with 50mm kit · standard
full-frame · 2021
Canon EOS R3 takes it — here’s why.
In our weighted Specdex score, Canon EOS R3 lands at 93 and Sony A7 IV · with 50mm kit · standard at 92. That puts Canon EOS R3 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Canon EOS R3 if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Pick Sony A7 IV · with 50mm kit · standard if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Winner by scenario
Derived from the sub-score breakdown · not a separate testPhoto
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.
Video
TieCompared on the video sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Sony A7 IV · with 50mm kit · standardSpecdex score per dollar at MSRP
Sony A7 IV · with 50mm kit · standard more score per dollar ($2,798 vs $5,999).
Score breakdown
Specs side-by-side
| Spec | Canon EOS R3 | Sony A7 IV · with 50mm kit · standard |
|---|---|---|
| Format | full-frame | full-frame |
| Release year | 2021 | 2021 |
Canon EOS R3
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
Sony A7 IV · with 50mm kit · standard
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
FAQ: Canon EOS R3 vs Sony A7 IV · with 50mm kit · standard
Which is better, Canon EOS R3 or Sony A7 IV · with 50mm kit · standard? +
Canon EOS R3 scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Canon EOS R3 worth the price? +
At $5,999, Canon EOS R3 delivers a Specdex score of 93 — strongest in photo.
Is Sony A7 IV · with 50mm kit · standard worth the price? +
At $2,798, Sony A7 IV · with 50mm kit · standard delivers a Specdex score of 92 — strongest in photo.
Does Canon EOS R3 or Sony A7 IV · with 50mm kit · standard 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 R3 or Sony A7 IV · with 50mm kit · standard? +
Sony A7 IV · with 50mm kit · standard — more score per dollar ($2,798 vs $5,999). Specdex score per dollar at MSRP.