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EOS-1D Mark IV vs EOS 40D
Quick take: The EOS-1D Mark IV has the highest resolution at 16MP; the EOS 40D is the most affordable; only the EOS 40D is weather sealed.
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 Mark IVCanon · 2009 | EOS 40DCanon · 2007 |
|---|---|---|
| Price | £102 used | £26 usedBest |
| Sensor | 16.1MP APS-H CMOS | 10.1MP APS-C CMOS |
| Resolution | 16.1MPBest | 10.1MP |
| Video | Full HD 1080p/30, 720p/60 | No video |
| Autofocus | 45-point phase-detect (39 cross-type) via viewfinder; contrast AF with face detection in live view | 9-point all cross-type phase-detect via viewfinder; contrast AF in live view |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 10fpsBest | 6.5fps |
| Battery Life | ~1500 shots (CIPA)Best | ~800 shots (CIPA) |
| Weight | 1180g (body only) | 820g (with battery)Best |
| Dimensions | 156 × 156.6 × 79.9mm | 145.5 × 107.8 × 73.5mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | Optical pentaprism, 100% coverage, 0.76x | Optical pentaprism, 95% coverage, 0.95x |
| Screen | 3.0" fixed LCD, 920k dots | 3.0" fixed LCD, 230k dots |
| Mount | Canon EF | Canon EF / EF-S |
| Memory Cards | Dual slots: CompactFlash + SD | Single CompactFlash slot |
| Connectivity | USB 2.0, mini HDMI, AV out, 3.5mm mic, PC sync, N3 remote, WFT system terminal | USB 2.0, AV out, N3 remote |
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 IV
EOS 40D
Portrait
5.6/10
4.8/10
Street
4.0/10
4.5/10
Travel
3.6/10
4.6/10
Wedding & Events
6.0/10
4.7/10
Documentary
4.0/10
3.8/10
Sports & Action
6.2/10
5.4/10
Landscape
3.9/10
4.1/10
Wildlife
5.9/10
5.7/10
Casual
2.4/10
2.6/10
Food
3.7/10
3.4/10
Macro
3.5/10
3.2/10
Architecture
4.4/10
3.7/10
Astrophotography
5.2/10
5.1/10
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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