Sony Alpha A7R IV vs Canon EOS R6
Canon EOS R6 has the edge on paper, but the right choice depends on what you shoot. The Alpha A7R IV is the better pick for landscapes; the EOS R6 is better for sports, astrophotography, vlogging.
Choose the Alpha A7R IV for
- more resolution (61MP vs 20MP)
- a lighter body (665g vs 680g)
- more lenses in our database (105 vs 36)
Choose the EOS R6 for
- faster bursts (20fps vs 10fps)
- better low-light performance
- a lower price (from £809)
- stronger video (4K 60p)
- a newer design (2020)
Specs side by side
| Spec | Alpha A7R IV | EOS R6 |
|---|---|---|
| Sensor | Full frame, 61MP | Full frame, 20MP |
| Mount | Sony FE (full frame) | Canon RF (full frame) |
| Released | 2019 | 2020 |
| Burst | 10 fps | 20 fps |
| Readout | — | — |
| Max ISO | 32,000 | 102,400 |
| Stabilisation | In-body | In-body |
| Video | 4K 30p | 4K 60p |
| Weather sealed | Yes | Yes |
| Viewfinder | Electronic | Electronic |
| Weight | 665 g | 680 g |
| Battery | Sony NP-FZ100 | Canon LP-E6NH |
| Card slots | 2× SD (UHS-II) | 2× SD (UHS-II) |
| New price | No longer sold new | No longer sold new |
| Used at MPB | £999–1,269 | £809–1,159 |
| Native lenses in our database | 105 (82 third-party) | 36 (14 third-party) |
Which is better for…
| Use | Better choice |
|---|---|
| Beginner-friendly | About equal |
| Everyday & travel | About equal |
| Portraits | About equal |
| Landscape | Alpha A7R IV |
| Wildlife & animals | About equal |
| Sports & action | EOS R6 |
| Astrophotography | EOS R6 |
| Vlogging & video | EOS R6 |
| Vintage / film look | About equal |
Based on the specs that matter most for each type of photography: burst and readout for action, resolution for landscapes, sensor size and low light for portraits and astro, video and weight for vlogging.
Lenses and running costs
The Alpha A7R IV uses Sony E / FE (105 lenses in our database, 82 third-party) and the EOS R6 uses Canon RF / RF-S (36 lenses, 14 third-party). Batteries: Sony NP-FZ100 (about £65) vs Canon LP-E6NH.
Alpha A7R IV compatible lenses → · EOS R6 compatible lenses → ·
Frequently asked questions
Is the Sony Alpha A7R IV better than the Canon EOS R6?
It depends on your priorities. The Alpha A7R IV offers more resolution (61MP vs 20MP), a lighter body (665g vs 680g), more lenses in our database (105 vs 36); the EOS R6 offers faster bursts (20fps vs 10fps), better low-light performance, a lower price (from £809).
Which is better for video, the Alpha A7R IV or the EOS R6?
The EOS R6 is stronger for video: Alpha A7R IV records 4K 30p, EOS R6 records 4K 60p.
Which is cheaper, the Alpha A7R IV or the EOS R6?
The Alpha A7R IV costs No longer sold new new and from £999 used at MPB; the EOS R6 costs No longer sold new new and from £809 used (checked 5 November 2026).
Can I use Sony Alpha A7R IV lenses on the EOS R6?
Not directly. The Alpha A7R IV uses Sony E / FE and the EOS R6 uses Canon RF / RF-S; switching usually means new lenses or an adapter where one exists.