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Quick take: The Z5 has the highest resolution at 24MP; the OM-5 Mark II 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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Z5 — Entry-Level Full-Frame & Dslr Switchers: The most affordable route into full-frame Z — dual card slots, IBIS, and a capable sensor at an accessible price.
| Specification | Z5Nikon · 2020 | OM-5 Mark IIOM System · 2025 |
|---|---|---|
| Price | £999 | £880Best |
| Sensor | 24.3MP Full-Frame BSI CMOS | 20.4MP Four Thirds Live MOS |
| Resolution | 24.3MPBest | 20.4MP |
| Video | 4K/30p (with crop), 1080p/60p | 4K/30p, OM-Log400 |
| Autofocus | Hybrid AF — 273 phase-detect points, eye/subject detection | Phase-hybrid AF (121 cross-type points) |
| Stabilisation | IBIS — up to 5 stops | Up to 7.5-stop Sync IS (6.5-stop body-only) |
| Burst Rate | 4.5fps | 10fps (AF tracking), 30fps (locked)Best |
| Battery Life | ~470 shots (CIPA)Best | 310 shots (CIPA) |
| Weight | 590g (body only) | 370g (body only)Best |
| Dimensions | 134 × 100.5 × 69.5mm | — |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.8× magnification | EVF, 2.36M dots, 1.37x magnification |
| Screen | 3.2" tilting touchscreen | Fully articulating touchscreen |
| Mount | Nikon Z mount | Micro Four Thirds |
| Memory Cards | Dual SD UHS-II slots | Single SD (UHS-II) |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
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 →