Canon EOS R6 Mark II
full-frame · 2022
Sony A7S III
full-frame · 2020
Dead heat — it comes down to priorities.
In our weighted Specdex score, Canon EOS R6 Mark II lands at 91 and Sony A7S III at 91. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Canon EOS R6 Mark II if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Pick Sony A7S III 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
Canon EOS R6 Mark IISpecdex score per dollar at MSRP
Canon EOS R6 Mark II more score per dollar ($2,499 vs $3,498).
Score breakdown
Specs side-by-side
| Spec | Canon EOS R6 Mark II | Sony A7S III |
|---|---|---|
| Format | full-frame | full-frame |
| Release year | 2022 | 2020 |
Canon EOS R6 Mark II
- +Current-gen AF system
- +Proven lens ecosystem
- +Strong video + stills balance
- −Body price excludes lens
- −Heavy for travel (flagship)
- −Learning curve on menus
Sony A7S III
- +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 R6 Mark II vs Sony A7S III
Which is better, Canon EOS R6 Mark II or Sony A7S III? +
Both score 91 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Canon EOS R6 Mark II worth the price? +
At $2,499, Canon EOS R6 Mark II delivers a Specdex score of 91 — strongest in photo.
Is Sony A7S III worth the price? +
At $3,498, Sony A7S III delivers a Specdex score of 91 — strongest in photo.
Does Canon EOS R6 Mark II or Sony A7S 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 the better value, Canon EOS R6 Mark II or Sony A7S III? +
Canon EOS R6 Mark II — more score per dollar ($2,499 vs $3,498). Specdex score per dollar at MSRP.