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D3 vs D3100
Quick take: The D3100 has the highest resolution at 14MP; the D3100 is the most affordable.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
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Full specificationsthe better value in each row is highlighted
| Specification | D3Nikon · 2007 | D3100Nikon · 2010 |
|---|---|---|
| Price | £97 used | £35 usedBest |
| Sensor | 12.1MP full-frame CMOS | 14.2MP APS-C CMOS |
| Resolution | 12.1MP | 14.2MPBest |
| Video | No video | Full HD 1080p/24, 720p/30 |
| Autofocus | 51-point phase-detect (15 cross-type) via viewfinder; phase or contrast AF in live view | 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 | 9fpsBest | 3fps |
| Battery Life | ~4300 shots (CIPA)Best | ~550 shots (CIPA) |
| Weight | 1240g (body only) | 505g (with battery)Best |
| Dimensions | 159.5 × 157 × 87.5mm | 124 × 96 × 74.5mm |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.7x | Optical pentamirror, 95% coverage, 0.8x |
| Screen | 3.0" fixed LCD, 921k dots | 3.0" fixed LCD, 230k dots |
| Mount | Nikon F mount | Nikon F-mount (DX) |
| Memory Cards | Dual CompactFlash slots | Single SD slot |
| Connectivity | USB 2.0, HDMI (Type A) | USB 2.0, mini HDMI, accessory terminal (MC-DC2 / GP-1) |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
D3
D3100
Portrait
5.5/10
5.3/10
Street
4.0/10
5.5/10
Travel
3.5/10
4.9/10
Wedding & Events
6.0/10
4.1/10
Documentary
3.2/10
3.6/10
Sports & Action
5.8/10
4.3/10
Landscape
4.0/10
3.8/10
Wildlife
5.5/10
4.9/10
Casual
2.2/10
3.4/10
Food
3.6/10
3.8/10
Macro
3.2/10
3.5/10
Architecture
4.1/10
3.9/10
Astrophotography
6.2/10
4.6/10
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 →
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