Upgrade Guide
Nikon D3→Nikon D7100
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The D7100 improves across 3 key areas at a reasonable price gap. Most D3 owners will notice the difference.
What's new in the D7100
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Resolution24MP vs 12MP (+12MP)
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Weather sealingAdded — fully sealed body
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Generation6 years newer (2013 vs 2007)
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 | D3 | D7100 | |
|---|---|---|---|
| Portrait | +0.3 | ||
| Street | +0.8 | ||
| Travel | +1.5 | ||
| Wedding & Events | +0.3 | ||
| Documentary | +2.1 | ||
| Sports & Action | +0.2 | ||
| Landscape | +1.2 | ||
| Wildlife | +0.6 | ||
| Casual | +0.7 | ||
| Food | +0.4 | ||
| Macro | +0.5 | ||
| Architecture | +0.5 | ||
| Astrophotography | -1.1 |
Full spec comparison
| Spec | D3 | D7100 | |
|---|---|---|---|
| Price | £97 used | £100 used | |
| Released | 2007 | 2013 | ↑ |
| Sensor | 12.1MP full-frame CMOS | 24.1MP APS-C CMOS | |
| Resolution | 12MP | 24MP | ↑ |
| Video | No video | Full HD 1080p/30 (60i), 720p/60 | |
| Autofocus | 51-point phase-detect (15 cross-type) via viewfinder; phase or contrast AF in live view | 51-point phase-detect (15 cross-type) via viewfinder; contrast AF with face priority in live view | |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 9fps | 6fps | ↓ |
| Battery Life | ~4300 shots (CIPA) | ~950 shots (CIPA) | ↓ |
| Weight | 1240g (body only) | 765g (with battery) | ↑ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | Optical pentaprism, 100% coverage, 0.7x | Optical pentaprism, 100% coverage, 0.94x | |
| Screen | 3.0" fixed LCD, 921k dots | 3.2" fixed LCD, 1.23M dots | |
| Mount | Nikon F mount | Nikon F-mount (DX) | |
| Memory Cards | Dual CompactFlash slots | Dual SD slots |
Compare side-by-side
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Tell us what you shoot and we'll score the D7100 against your specific genres — not just specs.
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Camera family history