Upgrade Guide
Lumix GH4→Lumix TZ99
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the GH4. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the TZ99
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Resolution20MP vs 16MP (+4MP)
-
Generation11 years newer (2025 vs 2014)
Unchanged or similar
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Weather sealingNot present in new body
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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 | GH4 | TZ99 | |
|---|---|---|---|
| Portrait | -1.3 | ||
| Street | +0.1 | ||
| Travel | +0.3 | ||
| Wedding & Events | -1.8 | ||
| Vlogging & Video | +1.0 | ||
| Filmmaking | -1.8 | ||
| Documentary | -1.5 | ||
| Sports & Action | -1.8 | ||
| Landscape | -0.8 | ||
| Wildlife | -1.4 | ||
| Casual | +2.3 | ||
| Food | -0.4 | ||
| Macro | -0.2 | ||
| Architecture | -0.4 | ||
| Astrophotography | -2.0 | ||
| Fun & simple | — |
Full spec comparison
| Spec | GH4 | TZ99 | |
|---|---|---|---|
| Price | £349 | £493 | |
| Released | 2014 | 2025 | ↑ |
| Sensor | 16.05MP Micro Four Thirds Live MOS | 20.3MP 1/2.3-inch MOS | |
| Resolution | 16MP | 20MP | ↑ |
| Video | 4K/30p, C4K/24p (first consumer camera with 4K), 1080p/96fps | 4K/30p | |
| Autofocus | Contrast-detect DFD AF, face detection | Contrast-detect AF with face detection | |
| Stabilisation | None (no body IBIS) | Optical image stabilisation (lens-based) | |
| Burst Rate | 12fps (AFS), 7fps (AFC) | 10fps | ↓ |
| Battery Life | ~500 shots (CIPA) | 380 shots (CIPA) | ↓ |
| Weight | 560g (with battery and card) | 322g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, OLED 2.36M dots, 0.67× magnification | None (screen only) | |
| Screen | 3.0" fully articulating touchscreen | Tilting touchscreen | |
| Mount | Micro Four Thirds | Fixed Leica 30x zoom lens (24-720mm equivalent) | |
| Memory Cards | Single SD UHS-I slot | Single SD (UHS-I) |
Compare side-by-side
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Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the TZ99 against your specific genres — not just specs.
Other upgrades from the GH4
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Camera family history