Is it worth upgrading? Spec analysis, key improvements, and our verdict.
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | EOS-1D | EOS 400D | |
|---|---|---|---|
| Portrait | +0.1 | ||
| Street | +1.7 | ||
| Travel | +1.0 | ||
| Wedding & Events | -1.5 | ||
| Documentary | -0.8 | ||
| Sports & Action | -1.6 | ||
| Landscape | -0.4 | ||
| Wildlife | -1.3 | ||
| Casual | +1.3 | ||
| Food | +0.5 | ||
| Macro | +0.5 | ||
| Architecture | +0.3 | ||
| Astrophotography | -1.0 |
| Spec | EOS-1D | EOS 400D | |
|---|---|---|---|
| Price | £81 used | £31 used | |
| Released | 2001 | 2006 | ↑ |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 10.1MP APS-C CMOS | |
| Resolution | 4MP | 10MP | ↑ |
| Video | — | No video | |
| Autofocus | 45-point AF with 7 cross-type points | 9-point phase-detect AF | |
| Stabilisation | — | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 3fps | ↓ |
| Battery Life | ~1200 shots per charge | ~360 shots (CIPA) | ↓ |
| Weight | 1225g (body only) | 510g (with battery) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | Optical pentamirror, 95% coverage, 0.8x | |
| Screen | 2.0" fixed LCD | 2.5" fixed LCD, 230k dots | |
| Mount | Canon EF | Canon EF | |
| Memory Cards | CompactFlash Type I/II | Single CompactFlash slot |
See EOS-1D and EOS 400D next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the EOS 400D against your specific genres — not just specs.