DC-G100Dvs Sony A9 III
Lumix
DC-G100D (2023)
Starting from £649 new
Best for Vlogging, content creation & lightweight travel
View DC-G100D
Sony
Sony A9 III (2023)
Starting from £5999 new
Best for Sports & action professionals
View Sony A9 III
GearScore™ Verdict — Which should you buy?
Vlogging, Content Creation & Lightweight Travel — DC-G100D (2023): The lightest capable MFT mirrorless for vloggers — phase-detect AF, directional audio, and the full Lumix lens ecosystem under 350g.
Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.
Who should buy what
DC-G100D (2023)
- Content creators who want better quality than a smartphone without the weight of a full-size camera
- Travel vloggers who want the smallest capable MFT camera with a flip screen and mic input
- Photography beginners entering the Lumix MFT system at an accessible price point
- G100 owners who want the upgraded phase-detect AF for better subject tracking
Sony A9 III (2023)
- Professional sports photographers who need zero blackout and 120fps burst
- Wildlife photographers who demand the most advanced Sony AF available
- Photojournalists who need flash sync at any shutter speed
- A9 II owners upgrading to the world's first full-frame global shutter
Quick take: The sony a9 iii has the highest resolution at 25mp; the dc-g100d is the most affordable; only the sony a9 iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | DC-G100D (2023) | Sony A9 III (2023) |
|---|---|---|
| Price | £649 | £5,999 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 24.6MP full-frame Exmor RS CMOS (global shutter) |
| Resolution | 20.3MP | 24.6MP |
| Video | 4K/30p, 4K/24p, 1080p/60p — V-Log L (upgrade) | 4K/120p, 4K/60p, 1080p/240p |
| Autofocus | Phase-detect AF — upgraded from G100's contrast-only DFD | AI subject recognition AF, 759-point phase-detect |
| Stabilisation | 2-axis (body); 5-axis Dual IS II when used with OIS lenses | 8-stop IBIS |
| Burst Rate | 10fps AF single, 9fps AFS continuous | 120fps blackout-free electronic |
| Battery Life | ~250 shots (CIPA) | 530 shots (CIPA) |
| Weight | 333g body only | 703g body only |
| Dimensions | 116.5 × 82.5 × 55.8mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF 0.53× 3.68M-dot — pop-up style | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.0" fully articulating touchscreen, 1.84M dots | 3.2" fully articulating touchscreen |
| Mount | Micro Four Thirds (MFT) | Sony FE (E-mount) |
| Memory Cards | Single SD/SDHC/SDXC slot | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, 3.5mm mic jack, Bluetooth, Wi-Fi | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
Suitability by genre
| Genre | DC-G100D | Sony A9 III |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Street | — | |
| Portrait | ||
| Landscape | — | |
| Sports | — | |
| Sports & Action | — | |
| Wildlife | — | |
| Wedding & Events | — |
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