EOS R5vs A1 II
Canon
EOS R5 (2020)
Starting from £2499 new
Best for Professional hybrid shooters, portrait & wildlife
View EOS R5
Sony
A1 II (2025)
Starting from £6500 new
Best for Professional sports, wildlife & high-resolution studio work
View A1 II
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 Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
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
A1 II (2025)
- Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
- Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
- Photojournalists who need a single body capable of handling every assignment
- Sony system shooters ready to invest in the absolute best
Quick take: The a1 ii has the highest resolution at 50mp; the eos r5 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R5 (2020) | A1 II (2025) |
|---|---|---|
| Price | £2,499 | £6,500 |
| Sensor | 45MP Full-Frame CMOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 45.0MP | 50.1MP |
| Video | 8K RAW/30p, 4K/120p, 1080p/120p | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion |
| Autofocus | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | IBIS — up to 8 stops combined with IS lenses | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 12fps mechanical, 20fps electronic | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | ~320 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 650g (with battery) | 743g body only |
| Dimensions | 138.5 × 97.5 × 88mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots, 0.76× magnification | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.15" fully articulating touchscreen | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Canon RF mount | Sony E-mount (full-frame) |
| 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 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Suitability by genre
| Genre | EOS R5 | A1 II |
|---|---|---|
| Portrait | ||
| Wildlife | ||
| Vlogging & Video | ||
| Sports | ||
| Landscape | ||
| Wedding | — | |
| Travel | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with EOS R5
Camera family history