Upgrade Guide
Lumix TZ99→Lumix GH4
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The GH4 improves across 3 key areas at a reasonable price gap. Most TZ99 owners will notice the difference.
What's new in the GH4
-
Weather sealingAdded — fully sealed body
-
StabilisationIBIS added — significant for handheld and video
-
Battery life~500 shots (CIPA) vs 380 shots (CIPA)
Unchanged or similar
-
Resolution16MP (down from 20MP — 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 | TZ99 | GH4 | |
|---|---|---|---|
| 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 | TZ99 | GH4 | |
|---|---|---|---|
| Price | £493 | £349 | |
| Released | 2025 | 2014 | ↓ |
| Sensor | 20.3MP 1/2.3-inch MOS | 16.05MP Micro Four Thirds Live MOS | |
| Resolution | 20MP | 16MP | ↓ |
| Video | 4K/30p | 4K/30p, C4K/24p (first consumer camera with 4K), 1080p/96fps | |
| Autofocus | Contrast-detect AF with face detection | Contrast-detect DFD AF, face detection | |
| Stabilisation | Optical image stabilisation (lens-based) | None (no body IBIS) | |
| Burst Rate | 10fps | 12fps (AFS), 7fps (AFC) | ↑ |
| Battery Life | 380 shots (CIPA) | ~500 shots (CIPA) | ↑ |
| Weight | 322g (with battery and card) | 560g (with battery and card) | ↓ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | None (screen only) | EVF, OLED 2.36M dots, 0.67× magnification | |
| Screen | Tilting touchscreen | 3.0" fully articulating touchscreen | |
| Mount | Fixed Leica 30x zoom lens (24-720mm equivalent) | Micro Four Thirds | |
| Memory Cards | Single SD (UHS-I) | Single SD UHS-I slot |
Compare side-by-side
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Tell us what you shoot and we'll score the GH4 against your specific genres — not just specs.
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