Canon EOS R5 Mark II
full-frame · 2024
Sony A6400
APS-C · 2019
Canon EOS R5 Mark II takes it — here’s why.
In our weighted Specdex score, Canon EOS R5 Mark II lands at 95 and Sony A6400 at 78. That puts Canon EOS R5 Mark II ahead by 17 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Canon EOS R5 Mark II if…
- ✓Current-gen AF system
- ✓Proven lens ecosystem
- ✓Strong video + stills balance
Pick Sony A6400 if…
- ✓Mature system, great used market
- ✓Proven lens lineup
- ✓Often on sale
Winner by scenario
Derived from the sub-score breakdown · not a separate testPhoto
Canon EOS R5 Mark IICompared on the photo sub-score
Canon EOS R5 Mark II leads on photo (95 vs 78).
Ergonomics
TieCompared on the ergonomics sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Autofocus
Canon EOS R5 Mark IICompared on the autofocus sub-score
Canon EOS R5 Mark II leads on autofocus (93 vs 74).
Value for money
Sony A6400Specdex score per dollar at MSRP
Sony A6400 more score per dollar ($899 vs $4,299).
Score breakdown
Specs side-by-side
| Spec | Canon EOS R5 Mark II | Sony A6400 |
|---|---|---|
| Format | full-frame | APS-C |
| Release year | 2024 | 2019 |
Canon EOS R5 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 A6400
- +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 R5 Mark II vs Sony A6400
Which is better, Canon EOS R5 Mark II or Sony A6400? +
Canon EOS R5 Mark II scores 95 on our weighted rubric — ahead by 17. Your best pick depends on the sub-scores above.
Is Canon EOS R5 Mark II worth the price? +
At $4,299, Canon EOS R5 Mark II delivers a Specdex score of 95 — strongest in photo.
Is Sony A6400 worth the price? +
At $899, Sony A6400 delivers a Specdex score of 78 — strongest in ergonomics.
Does Canon EOS R5 Mark II or Sony A6400 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 photo, Canon EOS R5 Mark II or Sony A6400? +
Canon EOS R5 Mark II — leads on photo (95 vs 78). Compared on the photo sub-score.
Which is better for autofocus, Canon EOS R5 Mark II or Sony A6400? +
Canon EOS R5 Mark II — leads on autofocus (93 vs 74). Compared on the autofocus sub-score.