Canon EOS R3vs A7R VI
Canon
Canon EOS R3 (2021)
Starting from £5999 new
Best for Sports & photojournalism professionals
View Canon EOS R3
Sony
A7R VI (2025)
Starting from £4399 new
Best for Studio, landscape and commercial photographers needing maximum resolution
View A7R VI
GearScore™ Verdict — Which should you buy?
Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.
Studio, Landscape And Commercial Photographers Needing Maximum Resolution — A7R VI (2025): The A7R VI cements its place as the resolution flagship of the Sony full-frame range — 61MP, AI-driven autofocus, and 8K video make it as capable for video and action work as it is for studio and landscape photography. The price reflects its position at the top of the lineup, but the capability is hard to match.
Who should buy what
Canon EOS R3 (2021)
- Professional sports and photojournalism photographers
- Canon users who need the fastest burst and most reliable AF in the system
- R5 users who want a pro-grade grip and faster shooting speed
- Event photographers who need eye-controlled AF and dual card slots
A7R VI (2025)
- Studio and commercial photographers who need maximum resolution for large prints and heavy cropping
- Landscape photographers who want best-in-class dynamic range and detail
- Hybrid shooters who need 8K video alongside a 61MP stills sensor
- Professionals upgrading from the A7R V who want faster AI-driven autofocus
Quick take: The a7r vi has the highest resolution at 61mp; the a7r vi is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | A7R VI (2025) |
|---|---|---|
| Price | £5,999 | £4,399 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 61MP full-frame stacked back-illuminated CMOS |
| Resolution | 24.1MP | 61.0MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 8K 30fps, 4K 120fps oversampled |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | AI processing unit — subject recognition for people, animals, birds and vehicles across the frame |
| Stabilisation | 8-stop IBIS | In-body 5-axis IS, up to 8.5 stops |
| Burst Rate | 30fps electronic / 12fps mechanical | 8fps mechanical / 7fps electronic with full AF/AE tracking |
| Battery Life | 620 shots (CIPA) | ~530 shots (CIPA, NP-FZ100) |
| Weight | 1015g body only | 723g (body with battery and card) |
| Dimensions | 150.0 × 142.6 × 87.2mm | 131.3 × 96.9 × 82.8mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | EVF, 9.44M-dot, up to 120fps |
| Screen | 3.2" fully articulating touchscreen | 3.2-inch 4-axis multi-angle touchscreen, 3.69M-dot |
| Mount | Canon RF | Sony FE (full-frame E-mount) |
| Memory Cards | Dual CFexpress Type B | Dual slots — CFexpress Type A / SD (UHS-II) |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB-C (10Gbps), Wi-Fi 6E, Bluetooth 5.0, 2.5GbE |
Suitability by genre
| Genre | Canon EOS R3 | A7R VI |
|---|---|---|
| Sports & Action | ||
| Wildlife | ||
| Photojournalism | — | |
| Vlogging & Video | ||
| Wedding & Events | — | |
| Travel | ||
| Landscape | — | |
| Portrait | — | |
| Street | — | |
| Casual | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with Canon EOS R3
Camera family history