EOS R5vs FX3
Canon
EOS R5 (2020)
Starting from £2499 new
Best for Professional hybrid shooters, portrait & wildlife
View EOS R5
VS
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
Professional Hybrid Shooters, Portrait & Wildlife — EOS R5 (2020): A landmark camera — 8K video and 45MP in one body set the standard for what mirrorless could be.
Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
EOS R5 (2020)
- Professional photographers who need both resolution and video in one body
- Wildlife and sports photographers who want top AF with 20fps burst
- Hybrid shooters who need 8K or 4K/120p alongside high-resolution stills
- R5 Mark II buyers on a budget — the R5 still delivers exceptional results
FX3 (2021)
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Quick take: The eos r5 has the highest resolution at 45mp; the eos r5 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R5 (2020) | FX3 (2021) |
|---|---|---|
| Price | £2,499 | £3,799 |
| Sensor | 45MP Full-Frame CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 45.0MP | 12.1MP |
| Video | 8K RAW/30p, 4K/120p, 1080p/120p | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | IBIS — up to 8 stops combined with IS lenses | 5-axis IBIS — 5 stops |
| Burst Rate | 12fps mechanical, 20fps electronic | 10fps mechanical, 10fps electronic |
| Battery Life | ~320 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 650g (with battery) | 715g body only (with XLR handle) |
| Dimensions | 138.5 × 97.5 × 88mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots, 0.76× magnification | None — monitor/external EVF use only |
| Screen | 3.15" fully articulating touchscreen | 3.0" touchscreen, fully articulating |
| Mount | Canon RF mount | Sony FE mount (full-frame E-mount) |
| Memory Cards | CFexpress Type B + SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth, HDMI | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS R5 | FX3 |
|---|---|---|
| Portrait | ||
| Wildlife | — | |
| Vlogging & Video | ||
| Sports | — | |
| Landscape | — | |
| Wedding | ||
| Low Light | — | |
| Street | — | |
| Travel | — |
More comparisons with EOS R5
Camera family history