EOS Rvs FX3
Canon
EOS R (2018)
Starting from £799 new
Best for Entry to full-frame mirrorless & RF lens exploration
View EOS R
VS
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
Entry To Full-Frame Mirrorless & Rf Lens Exploration — EOS R (2018): The RF mount's founding camera — 30MP, Dual Pixel CMOS AF, and the proof-of-concept that launched Canon's mirrorless era.
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 R (2018)
- Canon DSLR users wanting to enter the RF ecosystem at the lowest full-frame price
- EF lens collectors who want an affordable RF body to use with the EF-RF adapter
- Photographers stepping up from APS-C who want full-frame quality on a budget
- RF system fans who want a second body without full EOS R6 pricing
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 r has the highest resolution at 30mp; the eos r is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R (2018) | FX3 (2021) |
|---|---|---|
| Price | £799 | £3,799 |
| Sensor | 30.3MP full-frame CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 30.3MP | 12.1MP |
| Video | 4K/30p (1.7× crop), 1080p/60p | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | Dual Pixel CMOS AF — 5655 AF areas, Eye AF | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | None | 5-axis IBIS — 5 stops |
| Burst Rate | 8fps continuous (5fps with AF/AE) | 10fps mechanical, 10fps electronic |
| Battery Life | ~350 shots (CIPA) | ~640 shots (CIPA) |
| Weight | 660g body only | 715g body only (with XLR handle) |
| Dimensions | 135.8 × 98.3 × 84.4mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.71× magnification | None — monitor/external EVF use only |
| Screen | 3.0" touchscreen, tilting | 3.0" touchscreen, fully articulating |
| Mount | Canon RF mount (full-frame) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS R | FX3 |
|---|---|---|
| Portrait | ||
| Landscape | — | |
| Travel | ||
| Wedding | ||
| Vlogging & Video | ||
| Sports | — | |
| Low Light | — | |
| Street | — |
More comparisons with EOS R
Camera family history