Upgrade Guide
Lumix GX9→Lumix TZ99
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the GX9. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the TZ99
-
Battery life380 shots (CIPA) vs ~260 shots (CIPA)
-
Generation7 years newer (2025 vs 2018)
Unchanged or similar
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ResolutionSimilar (20MP)
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StabilisationIBIS not 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 | GX9 | TZ99 | |
|---|---|---|---|
| Portrait | -1.7 | ||
| Street | -1.1 | ||
| Travel | +0.1 | ||
| Wedding & Events | -1.2 | ||
| Filmmaking | -0.8 | ||
| Documentary | -0.1 | ||
| Sports & Action | -0.6 | ||
| Landscape | -0.4 | ||
| Wildlife | -0.6 | ||
| Casual | +1.8 | ||
| Food | -0.8 | ||
| Macro | -1.7 | ||
| Architecture | -0.7 | ||
| Astrophotography | -1.6 | ||
| Vlogging & Video | — | ||
| Fun & simple | — |
Full spec comparison
| Spec | GX9 | TZ99 | |
|---|---|---|---|
| Price | £428 used | £493 | |
| Released | 2018 | 2025 | ↑ |
| Sensor | 20.3MP Micro Four Thirds Live MOS (no low-pass filter) | 20.3MP 1/2.3-inch MOS | |
| Resolution | 20MP | 20MP | |
| Video | 4K/30p, Full HD 60p | 4K/30p | |
| Autofocus | Contrast AF with DFD; face/eye detection, 49-area, touch AF | Contrast-detect AF with face detection | |
| Stabilisation | 5-axis sensor-shift IBIS, 4 stops (Dual I.S.) | Optical image stabilisation (lens-based) | |
| Burst Rate | 9fps (6fps with continuous AF) | 10fps | ↑ |
| Battery Life | ~260 shots (CIPA) | 380 shots (CIPA) | ↑ |
| Weight | 450g (with battery) | 322g (with battery and card) | ↑ |
| Weather Sealed | Not weather sealed | Not weather sealed | |
| Viewfinder | Electronic, tilting, 2.76M dots | None (screen only) | |
| Screen | 3.0" tilting touchscreen, 1.24M dots | Tilting touchscreen | |
| Mount | Micro Four Thirds | Fixed Leica 30x zoom lens (24-720mm equivalent) | |
| Memory Cards | Single SD slot | Single SD (UHS-I) |
Compare side-by-side
⚖️ Compare these cameras
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Tell us what you shoot and we'll score the TZ99 against your specific genres — not just specs.
Other upgrades from the GX9
Related buying guides
Camera family history