Upgrade Guide
Lumix S1 II→Lumix G9
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Skip it
The G9 offers little measurable spec improvement over the S1 II. Spend the money on glass instead.
Unchanged or similar
-
Resolution20MP (down from 24MP — optimised for low light)
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | S1 II | G9 | |
|---|---|---|---|
| Portrait | -3.1 | ||
| Street | -1.1 | ||
| Travel | -0.8 | ||
| Wedding & Events | -2.9 | ||
| Vlogging & Video | -0.9 | ||
| Filmmaking | -2.3 | ||
| Documentary | -2.4 | ||
| Sports & Action | -2.9 | ||
| Landscape | -1.4 | ||
| Wildlife | -2.3 | ||
| Casual | -0.5 | ||
| Food | -1.8 | ||
| Macro | -1.1 | ||
| Architecture | -1.6 | ||
| Astrophotography | -2.4 |
Full spec comparison
| Spec | S1 II | G9 | |
|---|---|---|---|
| Price | £2,200 | £549 | |
| Released | 2025 | 2017 | ↓ |
| Sensor | 24.1MP full-frame partially-stacked CMOS | Micro Four Thirds Live MOS | |
| Resolution | 24MP | 20MP | ↓ |
| Video | Open-gate 6K/30p, 5.9K/60p, 4K/120p, internal ProRes RAW, 10-bit | 4K 60fps, C4K 24fps | |
| Autofocus | Phase-hybrid AF with AI subject detection (people, animals, vehicles) | 225-point contrast-detect DFD | |
| Stabilisation | 8-stop IBIS with cropless E.I.S. | 5-axis IBIS, 6.5 stops (6.0 stops dual IS) | |
| Burst Rate | 70fps electronic | 20fps mechanical, 60fps electronic | ↓ |
| Battery Life | 360 shots (CIPA, LCD) | 400 shots (CIPA) | ↑ |
| Weight | 800g (with battery and card) | 658g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 5.76M dots | EVF 0.83× 3.68M-dot | |
| Screen | Fully articulating touchscreen | 3.0" fully articulating touchscreen, 1.04M-dot | |
| Mount | L-mount | Micro Four Thirds | |
| Memory Cards | CFexpress Type B + SD | 2× SD UHS-II |
Compare side-by-side
⚖️ Compare these cameras
See S1 II and G9 next to each other with our interactive comparison tool.
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Tell us what you shoot and we'll score the G9 against your specific genres — not just specs.
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