Upgrade Guide
Nikon D3000→Nikon D3100
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the D3000. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the D3100
-
Resolution14MP vs 10MP (+4MP)
-
Generation1 year newer (2010 vs 2009)
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 | D3000 | D3100 | |
|---|---|---|---|
| Portrait | +0.4 | ||
| Street | +0.1 | ||
| Travel | — | ||
| Wedding & Events | +0.4 | ||
| Documentary | +0.5 | ||
| Sports & Action | +0.3 | ||
| Landscape | +0.4 | ||
| Wildlife | +0.3 | ||
| Casual | +0.1 | ||
| Food | +0.3 | ||
| Macro | +0.3 | ||
| Architecture | +0.4 | ||
| Astrophotography | -0.1 |
Full spec comparison
| Spec | D3000 | D3100 | |
|---|---|---|---|
| Price | £29 used | £35 used | |
| Released | 2009 | 2010 | ↑ |
| Sensor | 10.2MP APS-C CMOS | 14.2MP APS-C CMOS | |
| Resolution | 10MP | 14MP | ↑ |
| Video | No video | Full HD 1080p/24, 720p/30 | |
| Autofocus | 11-point phase-detect (1 cross-type) via viewfinder | 11-point phase-detect (1 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 | 3fps | 3fps | |
| Battery Life | ~500 shots (CIPA) | ~550 shots (CIPA) | ↑ |
| Weight | 485g (body only) | 505g (with battery) | ↓ |
| Weather Sealed | Not weather sealed | Not weather sealed | |
| Viewfinder | Optical pentamirror, 95% coverage, 0.8x | Optical pentamirror, 95% coverage, 0.8x | |
| Screen | 3.0" fixed LCD, 230k dots | 3.0" fixed LCD, 230k dots | |
| Mount | Nikon F-mount (DX) | Nikon F-mount (DX) | |
| Memory Cards | Single SD slot | Single SD slot |
Compare side-by-side
⚖️ Compare these cameras
See D3000 and D3100 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 D3100 against your specific genres — not just specs.
Other upgrades from the D3000
Related buying guides
Camera family history