Upgrade Guide
Canon EOS-1D X→Canon EOS-1D X Mark III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The EOS-1D X Mark III improves across 4 key areas at a reasonable price gap. Most EOS-1D X owners will notice the difference.
What's new in the EOS-1D X Mark III
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Weather sealingAdded — fully sealed body
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Burst rate16fps mechanical, 20fps live view vs 12fps
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Battery life~2850 shots (CIPA) vs ~1120 shots (CIPA)
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Generation8 years newer (2020 vs 2012)
Unchanged or similar
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ResolutionSimilar (20MP)
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StabilisationIBIS not present in new body
Suitability by genre
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 X | EOS-1D X Mark III | |
|---|---|---|---|
| Portrait | +0.4 | ||
| Street | +0.3 | ||
| Travel | +0.7 | ||
| Wedding & Events | +1.0 | ||
| Documentary | +2.4 | ||
| Sports & Action | +0.7 | ||
| Landscape | +1.0 | ||
| Wildlife | +0.7 | ||
| Casual | +1.0 | ||
| Food | +0.8 | ||
| Macro | +0.3 | ||
| Architecture | +0.5 | ||
| Astrophotography | +0.7 | ||
| Filmmaking | — |
Full spec comparison
| Spec | EOS-1D X | EOS-1D X Mark III | |
|---|---|---|---|
| Price | — | £6,999 | |
| Released | 2012 | 2020 | ↑ |
| Sensor | 18.1MP full-frame CMOS | 20.1MP full-frame CMOS | |
| Resolution | 18MP | 20MP | ↑ |
| Video | Full HD 1080p/30, 720p/60 | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | |
| Autofocus | 61-point phase-detect AF (41 cross-type) with EOS iTR tracking | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | |
| Stabilisation | No IBIS (lens-based stabilisation only) | — | |
| Burst Rate | 12fps | 16fps mechanical, 20fps live view | ↑ |
| Battery Life | ~1120 shots (CIPA) | ~2850 shots (CIPA) | ↑ |
| Weight | 1530g (with battery) | 1250g (body only) | ↑ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | Optical pentaprism, 100% coverage, 0.76x | OVF 0.76× magnification, 100% coverage | |
| Screen | 3.2" fixed LCD, 1.04M dots | 3.2" fixed touchscreen, 4.15M dots | |
| Mount | Canon EF | Canon EF | |
| Memory Cards | Dual CompactFlash slots | Dual CFexpress Type B slots |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1D X and EOS-1D X Mark III next to each other with our interactive comparison tool.
Get a personalised upgrade score
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Tell us what you shoot and we'll score the EOS-1D X Mark III against your specific genres — not just specs.
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