Upgrade Guide
Lumix TZ99→Lumix S1 II
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the TZ99. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the S1 II
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Resolution24MP vs 20MP (+4MP)
-
Weather sealingAdded — fully sealed body
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StabilisationIBIS added — significant for handheld and video
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Burst rate70fps electronic vs 10fps
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 | TZ99 | S1 II | |
|---|---|---|---|
| Portrait | +5.2 | ||
| Street | +1.0 | ||
| Travel | +0.5 | ||
| Wedding & Events | +6.1 | ||
| Vlogging & Video | +0.8 | ||
| Filmmaking | +5.3 | ||
| Documentary | +4.5 | ||
| Sports & Action | +5.2 | ||
| Landscape | +3.2 | ||
| Wildlife | +4.1 | ||
| Casual | -0.8 | ||
| Food | +3.1 | ||
| Macro | +3.3 | ||
| Architecture | +3.4 | ||
| Astrophotography | +5.0 | ||
| Fun & simple | — |
Full spec comparison
| Spec | TZ99 | S1 II | |
|---|---|---|---|
| Price | £493 | £2,200 | |
| Released | 2025 | 2025 | |
| Sensor | 20.3MP 1/2.3-inch MOS | 24.1MP full-frame partially-stacked CMOS | |
| Resolution | 20MP | 24MP | ↑ |
| Video | 4K/30p | Open-gate 6K/30p, 5.9K/60p, 4K/120p, internal ProRes RAW, 10-bit | |
| Autofocus | Contrast-detect AF with face detection | Phase-hybrid AF with AI subject detection (people, animals, vehicles) | |
| Stabilisation | Optical image stabilisation (lens-based) | 8-stop IBIS with cropless E.I.S. | |
| Burst Rate | 10fps | 70fps electronic | ↑ |
| Battery Life | 380 shots (CIPA) | 360 shots (CIPA, LCD) | ↓ |
| Weight | 322g (with battery and card) | 800g (with battery and card) | ↓ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | None (screen only) | EVF, 5.76M dots | |
| Screen | Tilting touchscreen | Fully articulating touchscreen | |
| Mount | Fixed Leica 30x zoom lens (24-720mm equivalent) | L-mount | |
| Memory Cards | Single SD (UHS-I) | CFexpress Type B + SD |
Compare side-by-side
⚖️ Compare these cameras
See TZ99 and S1 II next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the S1 II against your specific genres — not just specs.
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