Lumix G9vs A6400
VS
GearScore™ Verdict — Which should you buy?
Wildlife, Sports, Travel — Lumix G9 (2017): The G9 showed that Micro Four Thirds could compete for fast-action stills.
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
Lumix G9 (2017)
- Wildlife photographers who want fast burst and long telephoto reach at lower cost
- MFT system users who prioritise stills over 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 lumix g9 is the most affordable; only the lumix g9 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Lumix G9 (2017) | A6400 (2019) |
|---|---|---|
| Price | £549 | £899 |
| Sensor | Micro Four Thirds Live MOS | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 20.3MP | 24.2MP |
| Video | 4K 60fps, C4K 24fps | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | 225-point contrast-detect DFD | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | 5-axis IBIS, 6.5 stops (6.0 stops dual IS) | None (no IBIS) |
| Burst Rate | 20fps mechanical, 60fps electronic | 11fps mechanical, 8fps with AF tracking |
| Battery Life | 400 shots (CIPA) | ~410 shots (CIPA) |
| Weight | 658g (body only) | 403g (body, battery, card) |
| Dimensions | 136.9 × 97.3 × 91.6mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF 0.83× 3.68M-dot | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen, 1.04M-dot | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Micro Four Thirds | Sony E-mount |
| Memory Cards | 2× SD UHS-II | Single SD UHS-I |
| Connectivity | Wi-Fi, Bluetooth 4.2, USB-C, HDMI full-size | Micro-USB, Wi-Fi, Bluetooth, NFC |
Suitability by genre
| Genre | Lumix G9 | A6400 |
|---|---|---|
| Video | — | |
| Street | — | |
| Portrait | — | |
| Travel | — | |
| Wildlife | — |
More comparisons with Lumix G9
Camera family history