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Quick take: The EOS 550D has the highest resolution at 18MP; the D5000 is the most affordable.
16 specs side by side·13 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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| Specification | EOS 550DCanon · 2010 | D5000Nikon · 2009 |
|---|---|---|
| Price | £26 used | £25 usedBest |
| Sensor | 18MP APS-C CMOS | 12.3MP APS-C CMOS |
| Resolution | 18.0MPBest | 12.3MP |
| Video | Full HD 1080p/30, 720p/60 | 720p/24 |
| Autofocus | 9-point phase-detect via viewfinder; contrast AF with face detection 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 | 3.7fps | 4fpsBest |
| Battery Life | ~440 shots (CIPA) | ~510 shots (CIPA)Best |
| Weight | 530g (with battery)Best | 560g (body only) |
| Dimensions | 128.8 × 97.5 × 75.3mm | 127 × 104 × 80mm |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Viewfinder | Optical pentamirror, 0.87x | Optical pentamirror, 95% coverage, 0.78x |
| Screen | 3.0" fixed LCD, 1.04M dots | 2.7" vari-angle LCD, 230k dots |
| Mount | Canon EF / EF-S | Nikon F-mount (DX) |
| Memory Cards | Single SD slot | Single SD slot |
| Connectivity | USB 2.0, mini HDMI, AV out, 3.5mm mic, E3 remote | 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.
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 →