Upgrade Guide
Sony RX100 VI→Sony A7 III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the RX100 VI. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the A7 III
-
Resolution24MP vs 20MP (+4MP)
-
Weather sealingAdded — fully sealed body
-
StabilisationIBIS added — significant for handheld and video
-
Battery life~710 shots (CIPA) vs ~240 shots (CIPA)
Suitability by genre
| Genre | RX100 VI | A7 III | |
|---|---|---|---|
| Travel | — | ||
| Vlogging & Video | — | ||
| Street | +0.5 | ||
| Casual | — | ||
| Wildlife | -0.5 | ||
| Sports & Action | — | ||
| Portrait | +2.0 | ||
| Landscape | — | ||
| Video | — |
Full spec comparison
| Spec | RX100 VI | A7 III | |
|---|---|---|---|
| Price | £700 | £1,699 | |
| Released | 2018 | 2018 | |
| Sensor | 20.1MP 1-inch BSI Stacked CMOS | 24.2MP Full-Frame Exmor R BSI CMOS | |
| Resolution | 20MP | 24MP | ↑ |
| Video | 4K/30p, 1080p/120p, 960fps HFR | 4K/30p (6K oversampled), 1080p/120p slow-motion | |
| Autofocus | Fast Hybrid AF, 315 phase-detect points, Eye AF | Phase-detect, 693 points, real-time Eye AF & animal AF | |
| Stabilisation | Optical SteadyShot | 5-axis IBIS, 5 stops | |
| Burst Rate | 24fps | 10fps with AF/AE tracking | ↓ |
| Battery Life | ~240 shots (CIPA) | ~710 shots (CIPA) | ↑ |
| Weight | 301g (with battery and card) | 565g (body, battery, card) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | Pop-up EVF, 2.35M dots | EVF, 2.36M dots, 0.78× magnification | |
| Screen | 3.0" fully articulating touchscreen, 921k dots | 3.0" tilting touchscreen, 921k dots | |
| Mount | Fixed Zeiss Vario-Sonnar T* 24-200mm f/2.8-4.5 | Sony E-mount | |
| Memory Cards | Single SD / Memory Stick PRO Duo slot | Dual SD (UHS-II slot 1, UHS-I slot 2) |
Compare side-by-side
⚖️ Compare these cameras
See RX100 VI and A7 III 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 A7 III against your specific genres — not just specs.
Other upgrades from the RX100 VI
Related buying guides
Camera family history