Decision tools · Compare
EOS-1D Mark III vs EOS 400D
Quick take: The EOS 400D 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.
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Full specificationsthe better value in each row is highlighted
| Specification | EOS-1D Mark IIICanon · 2007 | EOS 400DCanon · 2006 |
|---|---|---|
| Price | £102 used | £31 usedBest |
| Sensor | 10.1MP APS-H CMOS | 10.1MP APS-C CMOS |
| Resolution | 10.1MP | 10.1MP |
| Video | No video | No video |
| Autofocus | 45-point phase-detect (19 cross-type + 26 assist) via viewfinder | 9-point phase-detect AF |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 10fpsBest | 3fps |
| Battery Life | ~2200 shots (CIPA)Best | ~360 shots (CIPA) |
| Weight | 1155g (body only) | 510g (with battery)Best |
| Dimensions | 156 × 156.6 × 79.9mm | 126.5 × 94.2 × 65mm |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.76x | Optical pentamirror, 95% coverage, 0.8x |
| Screen | 3.0" fixed LCD, 230k dots | 2.5" fixed LCD, 230k dots |
| Mount | Canon EF | Canon EF |
| Memory Cards | Dual slots: CompactFlash + SD | Single CompactFlash slot |
| Connectivity | USB 2.0, video out, PC sync, N3 remote, WFT system terminal | USB 2.0, video out |
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
EOS-1D Mark III
EOS 400D
Portrait
5.2/10
4.8/10
Street
4.0/10
5.3/10
Travel
3.5/10
4.6/10
Wedding & Events
5.7/10
3.5/10
Documentary
3.0/10
2.9/10
Sports & Action
5.9/10
4.0/10
Landscape
3.4/10
3.3/10
Wildlife
5.6/10
4.6/10
Casual
2.2/10
3.2/10
Food
3.3/10
3.6/10
Macro
3.1/10
3.4/10
Architecture
3.8/10
3.6/10
Astrophotography
5.5/10
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 →
Next
More comparisons with EOS-1D Mark III
Camera family history