Is it worth upgrading? Spec analysis, key improvements, and our verdict.
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | TZ100 | GX8 | |
|---|---|---|---|
| Portrait | +1.0 | ||
| Street | — | ||
| Travel | -1.1 | ||
| Wedding & Events | +1.0 | ||
| Filmmaking | +1.3 | ||
| Documentary | +0.4 | ||
| Sports & Action | +0.6 | ||
| Landscape | +0.4 | ||
| Wildlife | +1.0 | ||
| Casual | -0.3 | ||
| Food | +2.0 | ||
| Macro | +2.4 | ||
| Architecture | +1.0 | ||
| Astrophotography | +1.8 | ||
| Vlogging & Video | — |
| Spec | TZ100 | GX8 | |
|---|---|---|---|
| Price | £205 used | £428 used | |
| Released | 2016 | 2015 | ↓ |
| Sensor | 20.1MP 1-inch MOS | 20.3MP Micro Four Thirds Live MOS | |
| Resolution | 20MP | 20MP | ↑ |
| Video | 4K/25p, Full HD 50p | 4K/25p, Full HD 50p | |
| Autofocus | Contrast AF with DFD; face/eye detection, touch AF, Post Focus | Contrast AF with DFD; face/eye detection, 49-area, touch AF | |
| Stabilisation | Optical image stabilisation (lens-based) | Sensor-shift IBIS (Dual I.S.) | |
| Burst Rate | 10fps (6fps with continuous AF) | 8fps (6fps with continuous AF) | ↓ |
| Battery Life | ~300 shots (CIPA) | ~330 shots (CIPA) | ↑ |
| Weight | 312g (with battery) | 487g (with battery) | ↓ |
| Weather Sealed | Not weather sealed | Not weather sealed | |
| Viewfinder | Electronic, 0.2", 1.17M dots, eye sensor | Electronic OLED, tilting, 2.36M dots | |
| Screen | 3.0" fixed touchscreen, 1.04M dots | 3.0" fully articulating OLED touchscreen | |
| Mount | Fixed Leica 10x zoom lens (25-250mm equivalent, f/2.8-5.9) | Micro Four Thirds | |
| Memory Cards | Single SD slot | Single SD slot |
See TZ100 and GX8 next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the GX8 against your specific genres — not just specs.