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Quick take: The Z9 has the highest resolution at 46MP; the A7 V 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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Z9 — Professional Sports & Wildlife: The Z9 redefined what professional mirrorless could be — no mechanical shutter, 45MP stacked BSI, and 8K RAW in the most rugged Z body.
A7 V — Portrait, Wedding, Travel, Video: The definitive full-frame mirrorless. Hard to argue for anything else at this price.
| Specification | Z9Nikon · 2021 | A7 VSony · 2025 |
|---|---|---|
| Price | £4,999 | £2,399Best |
| Sensor | 45.7MP full-frame BSI stacked CMOS | Full-frame BSI-CMOS 35mm, partially stacked |
| Resolution | 45.7MPBest | 33.0MP |
| Video | 8K/30p RAW, 4K/120p, ProRes RAW | 4K 60fps 10-bit |
| Autofocus | Subject detection AF, 493-point phase-detect | 759-point phase-detect, AI subject recognition (human, animal, bird, insect, vehicle) |
| Stabilisation | 6-stop IBIS | 5-axis IBIS, 8.0 stops |
| Burst Rate | 20fps RAW / 120fps JPEGBest | 10fps mechanical, 20fps electronic |
| Battery Life | 740 shots (CIPA) | 760 shots (CIPA)Best |
| Weight | 1340g (body only) | 514g (body only)Best |
| Dimensions | 149.0 × 149.5 × 90.5mm | 131.3 × 96.4 × 70.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.5" Quad-VGA OLED EVF, 3.69M dots, 120fps | EVF 0.90× 9.44M-dot |
| Screen | 3.2" tilting touchscreen | 3.2" fully articulating touchscreen, 1.44M-dot |
| Mount | Nikon Z-mount | Sony E-Mount |
| Memory Cards | Dual CFexpress Type B / XQD | Slot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | Wi-Fi 6GHz, Bluetooth 5.3, USB-C 3.2 Gen 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 →