Canon
EOS R5 2020
Best for Professional hybrid shooters, portrait & wildlife
£2449
new today at Wex Photo Video
Decision tools · Compare
EOS R5 vs FX3
Quick take: The EOS R5 has the highest resolution at 45MP; the EOS R5 is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
FX3 2021
Best for Professional video, documentary & cinematic filmmaking
£2999
new today at Wex Photo Video
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Verdictwhich should you buy?
EOS R5 — Professional Hybrid Shooters, Portrait & Wildlife: A landmark camera — 8K video and 45MP in one body set the standard for what mirrorless could be.
FX3 — Professional Video, Documentary & Cinematic Filmmaking: 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)
is the right camera for you if…
- 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)
is the right camera for you if…
- 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
Full specificationsthe better value in each row is highlighted
| Specification | EOS R5Canon · 2020 | FX3Sony · 2021 |
|---|---|---|
| Price | £2,449Best | £2,999 |
| Sensor | 45MP Full-Frame CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 45.0MPBest | 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 electronicBest | 10fps mechanical, 10fps electronic |
| Battery Life | ~320 shots (CIPA) | ~640 shots (CIPA)Best |
| Weight | 650g (body only)Best | 715g (body only) |
| 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 |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
EOS R5
FX3
Portrait
8.2/10
5.7/10
Street
6.2/10
4.3/10
Travel
5.9/10
5.5/10
Wedding & Events
7.6/10
6.0/10
Vlogging & Video
5.7/10
6.1/10
Filmmaking
7.2/10
9.1/10
Documentary
7.3/10
8.0/10
Sports & Action
7.5/10
5.5/10
Landscape
7.5/10
4.7/10
Wildlife
7.8/10
5.8/10
Casual
5.0/10
4.9/10
Food
7.8/10
6.7/10
Macro
7.6/10
5.5/10
Architecture
8.0/10
5.2/10
Astrophotography
6.0/10
6.7/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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