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Quick take: The A7R IV has the highest resolution at 61MP; the Nikon ZR 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 | Nikon ZRNikon · 2025 | A7R IVSony · 2019 |
|---|---|---|
| Price | £1,999Best | £2,199 |
| Sensor | 24.5MP full-frame CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 25.0MP | 61.0MPBest |
| Video | 6K/60p, 4K/120p, internal R3D NE/N-RAW, ProRes, 10-bit N-Log, 32-bit float audio | 4K 30fps |
| Autofocus | Hybrid phase-detect AF with subject detection | 567-point phase-detect, real-time tracking |
| Stabilisation | 7.5-stop IBIS (Synchro VR) | 5-axis IBIS, 5.5 stops |
| Burst Rate | 20fpsBest | 10fps |
| Battery Life | 390 shots (CIPA); ~90-125 min continuous recording | 670 shots (CIPA)Best |
| Weight | 630g (with battery and card)Best | 665g (body only) |
| Dimensions | — | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | None (screen only) | EVF 0.78× 5.76M-dot |
| Screen | 4.0" fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Nikon Z-mount | Sony E-Mount |
| Memory Cards | CFexpress Type B + microSD | Dual SD UHS-II slots |
| Connectivity | USB-C, HDMI (micro), 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 →