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Quick take: The A6400 has the highest resolution at 24MP; the DC-G100D is the most affordable; only the A6400 is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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DC-G100D — Vlogging, Content Creation & Lightweight Travel: The lightest capable MFT mirrorless for vloggers — phase-detect AF, directional audio, and the full Lumix lens ecosystem under 350g.
A6400 — Content Creation & Vlogging: 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.
| Specification | DC-G100DLumix · 2023 | A6400Sony · 2019 |
|---|---|---|
| Price | £649Best | £749 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 20.3MP | 24.2MPBest |
| Video | 4K/30p, 4K/24p, 1080p/60p — V-Log L (upgrade) | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Contrast-detect DFD AF with face, eye and animal detection | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | 2-axis (body); 5-axis Dual IS II when used with OIS lenses | No stabilisation |
| Burst Rate | 10fps AF single, 9fps AFS continuous | 11fps mechanical, 8fps with AF trackingBest |
| Battery Life | ~250 shots (CIPA) | ~410 shots (CIPA)Best |
| Weight | 333g (body only)Best | 403g (with battery and card) |
| Dimensions | 116.5 × 82.5 × 55.8mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | EVF 0.53× 3.68M-dot — pop-up style | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen, 1.84M dots | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Micro Four Thirds (MFT) | Sony E-mount |
| Memory Cards | Single SD/SDHC/SDXC slot | Single SD UHS-I |
| Connectivity | USB-C, 3.5mm mic jack, Bluetooth, Wi-Fi | Micro-USB, Wi-Fi, Bluetooth, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →