EOS R6vs A6400
VS
GearScore™ Verdict — Which should you buy?
Wedding, Portrait, Sports, Video — EOS R6 (2020): The camera that made Canon's RF system worth taking seriously.
Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.
Who should buy what
EOS R6 (2020)
- Canon DSLR shooters moving to mirrorless
- Hybrid photographers who shoot both stills and video
A6400 (2019)
- Vloggers and content creators who need a flip screen and reliable AF
- Photographers upgrading from a compact or smartphone
- Beginners who want room to grow into a full E-mount lens ecosystem
- Anyone prioritising autofocus performance at an accessible price
Quick take: The a6400 has the highest resolution at 24mp; the a6400 is the most affordable; only the eos r6 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R6 (2020) | A6400 (2019) |
|---|---|---|
| Price | £1,299 | £899 |
| Sensor | Full-frame CMOS 35mm | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 20.1MP | 24.2MP |
| Video | 4K 60fps (crop), 4K 30fps (full), 1080p 120fps | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF II, 6072 AF positions, subject tracking | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | 5-axis IBIS, up to 8 stops coordinated IS | None (no IBIS) |
| Burst Rate | 12fps mechanical, 20fps electronic | 11fps mechanical, 8fps with AF tracking |
| Battery Life | 380 shots (LCD), 510 shots (EVF) | ~410 shots (CIPA) |
| Weight | 598g (body only) | 403g (body, battery, card) |
| Dimensions | 138.4 × 97.5 × 88.4mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF 0.76× 3.69M-dot | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen, 1.62M-dot | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Canon RF | Sony E-mount |
| Memory Cards | 2× SD UHS-II | Single SD UHS-I |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1, HDMI | Micro-USB, Wi-Fi, Bluetooth, NFC |
Suitability by genre
| Genre | EOS R6 | A6400 |
|---|---|---|
| Video | — | |
| Street | — | |
| Portrait | — | |
| Travel | — | |
| Wildlife | — |
More comparisons with EOS R6
Camera family history