Upgrade Guide
Lumix S1 II→Lumix G3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Skip it
The G3 offers little measurable spec improvement over the S1 II. Spend the money on glass instead.
Unchanged or similar
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Resolution16MP (down from 24MP — optimised for low light)
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Weather sealingNot present in new body
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 | G3 | |
|---|---|---|---|
| Portrait | -3.9 | ||
| Street | -0.6 | ||
| Travel | -0.9 | ||
| Wedding & Events | -5.2 | ||
| Vlogging & Video | -2.4 | ||
| Filmmaking | — | ||
| Documentary | -5.1 | ||
| Sports & Action | -5.1 | ||
| Landscape | -3.1 | ||
| Wildlife | -4.0 | ||
| Casual | -1.3 | ||
| Food | -2.5 | ||
| Macro | -3.8 | ||
| Architecture | -3.0 | ||
| Astrophotography | -3.6 |
Full spec comparison
| Spec | S1 II | G3 | |
|---|---|---|---|
| Price | £1,899 | £20 used | |
| Released | 2025 | 2011 | ↓ |
| Sensor | 24.1MP full-frame partially-stacked CMOS | 16MP Micro Four Thirds CMOS | |
| Resolution | 24MP | 16MP | ↓ |
| Video | Open-gate 6K/30p, 5.9K/60p, 4K/120p, internal ProRes RAW, 10-bit | Full HD 1080/60i | |
| Autofocus | Phase-hybrid AF with AI subject detection (people, animals, vehicles) | 23-area contrast AF with face detection, touch AF | |
| Stabilisation | 8-stop IBIS with cropless E.I.S. | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 70fps electronic | 4fps | ↓ |
| Battery Life | 360 shots (CIPA, LCD) | ~270 shots (CIPA) | ↓ |
| Weight | 800g (with battery and card) | 388g (with battery) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, 5.76M dots | LCD EVF, 1.44M dots | |
| Screen | Fully articulating touchscreen | 3.0" vari-angle touchscreen, 460k dots | |
| Mount | L-mount | Micro Four Thirds | |
| Memory Cards | CFexpress Type B + SD | Single SD slot |
Compare side-by-side
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See S1 II and G3 next to each other with our interactive comparison tool.
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Tell us what you shoot and we'll score the G3 against your specific genres — not just specs.
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Camera family history