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EOS-1D X vs EOS 400D
Quick take: The EOS-1D X has the highest resolution at 18MP; 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.
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Full specificationsthe better value in each row is highlighted
| Specification | EOS-1D XCanon · 2012 | EOS 400DCanon · 2006 |
|---|---|---|
| Price | — | £31 used |
| Sensor | 18.1MP full-frame CMOS | 10.1MP APS-C CMOS |
| Resolution | 18.1MPBest | 10.1MP |
| Video | Full HD 1080p/30, 720p/60 | No video |
| Autofocus | 61-point phase-detect AF (41 cross-type) with EOS iTR tracking | 9-point phase-detect AF |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 12fpsBest | 3fps |
| Battery Life | ~1120 shots (CIPA)Best | ~360 shots (CIPA) |
| Weight | 1530g (with battery) | 510g (with battery)Best |
| Dimensions | 158 × 163.6 × 82.7mm | 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 | 3.2" fixed LCD, 1.04M dots | 2.5" fixed LCD, 230k dots |
| Mount | Canon EF | Canon EF |
| Memory Cards | Dual CompactFlash slots | Single CompactFlash slot |
| Connectivity | USB 2.0, mini HDMI, 3.5mm mic, LAN, N3, PC sync | 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 X
EOS 400D
Portrait
5.9/10
4.8/10
Street
3.8/10
5.3/10
Travel
3.4/10
4.6/10
Wedding & Events
6.3/10
3.5/10
Documentary
4.1/10
2.9/10
Sports & Action
6.3/10
4.0/10
Landscape
4.4/10
3.3/10
Wildlife
6.0/10
4.6/10
Casual
2.2/10
3.2/10
Food
3.9/10
3.6/10
Macro
3.6/10
3.4/10
Architecture
4.8/10
3.6/10
Astrophotography
5.9/10
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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