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Quick take: The A7R IV has the highest resolution at 61MP; the S1IIE is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A7R IV — Landscape, Studio, Commercial: 61MP in a mirrorless body — the resolution benchmark.
| Specification | S1IIELumix · 2025 | A7R IVSony · 2019 |
|---|---|---|
| Price | £1,899Best | £2,199 |
| Sensor | 24MP full-frame BSI CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 24.0MP | 61.0MPBest |
| Video | Open-gate 6K/30p, 4K/60p, 10-bit | 4K 30fps |
| Autofocus | Phase-hybrid AF with AI subject detection (people, animals, vehicles) | 567-point phase-detect, real-time tracking |
| Stabilisation | 8-stop IBIS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 30fps electronicBest | 10fps |
| Battery Life | 380 shots (CIPA, LCD) | 670 shots (CIPA)Best |
| Weight | 795g (with battery and card) | 665g (body only)Best |
| Dimensions | — | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots | EVF 0.78× 5.76M-dot |
| Screen | Fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | L-mount | Sony E-Mount |
| Memory Cards | CFexpress Type B + SD (UHS-II) | Dual SD UHS-II slots |
| Connectivity | USB-C (10Gbps), full-size HDMI, Wi-Fi, Bluetooth | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →