Sony Alpha 7 IV
33 MP full-frame · 4K60 · Hybrid
Canon EOS R3
full-frame · 2021
Canon EOS R3 takes it — here’s why.
In our weighted Specdex score, Sony Alpha 7 IV lands at 92 and Canon EOS R3 at 93. That puts Canon EOS R3 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sony Alpha 7 IV if…
- ✓Great hybrid stills + video
- ✓Excellent AF with Real-time Tracking
- ✓Dual card slots
Pick Canon EOS R3 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
Sony Alpha 7 IVCompared on the autofocus sub-score
Sony Alpha 7 IV leads on autofocus (96 vs 91).
Video
TieCompared on the video sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Sony Alpha 7 IVSpecdex score per dollar at MSRP
Sony Alpha 7 IV more score per dollar ($2,498 vs $5,999).
Score breakdown
Specs side-by-side
| Spec | Sony Alpha 7 IV | Canon EOS R3 |
|---|---|---|
| Sensor | 33 MP Exmor R CMOS | — |
| Mount | Sony E | — |
| Video | 4K60 (Super35), 4K30 full-frame | — |
| Stabilization | 5-axis IBIS | — |
| Format | — | full-frame |
| Release year | — | 2021 |
Sony Alpha 7 IV
- +Great hybrid stills + video
- +Excellent AF with Real-time Tracking
- +Dual card slots
- −4K60 is Super 35 crop
- −Menus still dense
- −Heats with long 4K recording
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
FAQ: Sony Alpha 7 IV vs Canon EOS R3
Which is better, Sony Alpha 7 IV or Canon EOS R3? +
Canon EOS R3 scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Sony Alpha 7 IV worth the price? +
At $2,498, Sony Alpha 7 IV delivers a Specdex score of 92 — strongest in autofocus.
Is Canon EOS R3 worth the price? +
At $5,999, Canon EOS R3 delivers a Specdex score of 93 — strongest in photo.
Does Sony Alpha 7 IV or Canon EOS R3 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 autofocus, Sony Alpha 7 IV or Canon EOS R3? +
Sony Alpha 7 IV — leads on autofocus (96 vs 91). Compared on the autofocus sub-score.
Which is the better value, Sony Alpha 7 IV or Canon EOS R3? +
Sony Alpha 7 IV — more score per dollar ($2,498 vs $5,999). Specdex score per dollar at MSRP.