Upgrade Guide
Sony Sony RX100 VII→Sony FX3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the Sony RX100 VII. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the FX3
-
Weather sealingAdded — fully sealed body
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StabilisationIBIS added — significant for handheld and video
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Battery life~640 shots (CIPA) vs ~260 shots (CIPA)
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Generation2 years newer (2021 vs 2019)
Unchanged or similar
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Resolution12MP (down from 20MP — optimised for low light)
Suitability by genre
| Genre | Sony RX100 VII | FX3 | |
|---|---|---|---|
| Travel | -5.0 | ||
| Vlogging & Video | — | ||
| Family & Everyday | — | ||
| Wildlife | — | ||
| Street | -3.0 | ||
| Portrait | +3.0 | ||
| Low Light | — | ||
| Wedding | — |
Full spec comparison
| Spec | Sony RX100 VII | FX3 | |
|---|---|---|---|
| Price | £1,099 | £3,799 | |
| Released | 2019 | 2021 | ↑ |
| Sensor | 20.1MP 1-inch Exmor RS BSI CMOS (stacked) | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) | |
| Resolution | 20MP | 12MP | ↓ |
| Video | 4K/30p HLG, FHD/960fps super slow-motion | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone | |
| Autofocus | 357-point phase-detect + 425 contrast, Eye AF, tracking | Real-time tracking with subject recognition (human, animal) | |
| Stabilisation | 3-stop Optical SteadyShot | 5-axis IBIS — 5 stops | |
| Burst Rate | 20fps AF/AE tracking (90fps short burst) | 10fps mechanical, 10fps electronic | ↓ |
| Battery Life | ~260 shots (CIPA) | ~640 shots (CIPA) | ↑ |
| Weight | 302g with battery and card | 715g body only (with XLR handle) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | Pop-up EVF, 2.36M dots, 0.59× magnification | None — monitor/external EVF use only | |
| Screen | 3.0" tilting touchscreen | 3.0" touchscreen, fully articulating | |
| Mount | Fixed Zeiss Vario-Sonnar 24-200mm f/2.8-4.5 | Sony FE mount (full-frame E-mount) | |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II slots |
Compare side-by-side
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