Canon EOS R3vs A7R IV
Canon
Canon EOS R3 (2021)
Starting from £5999 new
Best for Sports & photojournalism professionals
View Canon EOS R3
VS
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.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
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 IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The a7r iv has the highest resolution at 61mp; the a7r iv is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | A7R IV (2019) |
|---|---|---|
| Price | £5,999 | £2,199 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 24.1MP | 61.0MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 4K 30fps |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | 567-point phase-detect, real-time tracking |
| Stabilisation | 8-stop IBIS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 30fps electronic / 12fps mechanical | 10fps |
| Battery Life | 620 shots (CIPA) | 670 shots (CIPA) |
| Weight | 1015g body only | 665g (body only) |
| Dimensions | 150.0 × 142.6 × 87.2mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | EVF 0.78× 5.76M-dot |
| Screen | 3.2" fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Canon RF | Sony E-Mount |
| Memory Cards | Dual CFexpress Type B | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | Canon EOS R3 | A7R IV |
|---|---|---|
| Sports & Action | — | |
| Wildlife | — | |
| Photojournalism | — | |
| Vlogging & Video | — | |
| Wedding & Events | — | |
| Travel | — |
More comparisons with Canon EOS R3
Camera family history