Upgrade Guide
Nikon Z6 III→Nikon D90
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the Z6 III. Worth it if that specific upgrade aligns with what you shoot.
What's new in the D90
-
Battery life~850 shots (CIPA) vs ~380 shots (CIPA)
Unchanged or similar
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Resolution12MP (down from 24MP — optimised for low light)
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Weather sealingNot present in new body
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | Z6 III | D90 | |
|---|---|---|---|
| Portrait | -3.2 | ||
| Street | -1.3 | ||
| Travel | -1.5 | ||
| Wedding & Events | -3.8 | ||
| Vlogging & Video | — | ||
| Filmmaking | — | ||
| Documentary | -4.6 | ||
| Sports & Action | -4.4 | ||
| Landscape | -3.3 | ||
| Wildlife | -3.6 | ||
| Casual | -2.2 | ||
| Food | -3.9 | ||
| Macro | -3.7 | ||
| Architecture | -3.4 | ||
| Astrophotography | -2.4 |
Full spec comparison
| Spec | Z6 III | D90 | |
|---|---|---|---|
| Price | £2,199 | £26 used | |
| Released | 2024 | 2008 | ↓ |
| Sensor | 24.5MP Full-frame Partial-stacked CMOS | 12.3MP APS-C CMOS | |
| Resolution | 24MP | 12MP | ↓ |
| Video | 6K/60p RAW, 4K/120p, 4K/60p oversampled, N-Log, 10-bit | 720p/24 | |
| Autofocus | Phase-detect, 273 points, subject detection (human/animal/vehicle/aircraft) | 11-point phase-detect (1 cross-type) via viewfinder; contrast AF with face priority in live view | |
| Stabilisation | 5-axis IBIS, 6.0 stops | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 20fps mechanical, 60fps electronic | 4.5fps | ↓ |
| Battery Life | ~380 shots (CIPA) | ~850 shots (CIPA) | ↑ |
| Weight | 760g (body only) | 700g (with battery) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, 5.76M dots, 0.90× magnification | Optical pentaprism, 96% coverage, 0.94x | |
| Screen | 3.2" fully articulating touchscreen | 3.0" fixed LCD, 920k dots | |
| Mount | Nikon Z-mount (full-frame) | Nikon F-mount (DX) | |
| Memory Cards | Dual slots: CFexpress Type B + SD UHS-II | Single SD slot |
Compare side-by-side
⚖️ Compare these cameras
See Z6 III and D90 next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the D90 against your specific genres — not just specs.
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