Upgrade Guide
Canon EOS-1D→Canon EOS R5
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS-1D. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS R5
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Resolution45MP vs 4MP (+41MP)
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StabilisationIBIS added — significant for handheld and video
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Burst rate12fps mechanical, 20fps electronic vs 8fps continuous (up to 21 RAW frames)
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Generation19 years newer (2020 vs 2001)
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 | EOS R5 | |
|---|---|---|---|
| Portrait | +3.5 | ||
| Street | +2.6 | ||
| Travel | +2.4 | ||
| Wedding & Events | +2.6 | ||
| Documentary | +3.6 | ||
| Sports & Action | +1.9 | ||
| Landscape | +3.8 | ||
| Wildlife | +1.9 | ||
| Casual | +3.1 | ||
| Food | +4.7 | ||
| Macro | +4.7 | ||
| Architecture | +4.7 | ||
| Astrophotography | +0.4 | ||
| Vlogging & Video | — | ||
| Filmmaking | — |
Full spec comparison
| Spec | EOS-1D | EOS R5 | |
|---|---|---|---|
| Price | £150 | £2,499 | |
| Released | 2001 | 2020 | ↑ |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 45MP Full-Frame CMOS | |
| Resolution | 4MP | 45MP | ↑ |
| Video | — | 8K RAW/30p, 4K/120p, 1080p/120p | |
| Autofocus | 45-point AF with 7 cross-type points | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | |
| Stabilisation | — | IBIS — up to 8 stops combined with IS lenses | |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 12fps mechanical, 20fps electronic | ↑ |
| Battery Life | ~1200 shots per charge | ~320 shots (CIPA) | ↓ |
| Weight | 1225g (body only) | 650g (body only) | ↑ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | EVF, 5.76M dots, 0.76× magnification | |
| Screen | 2.0" fixed LCD | 3.15" fully articulating touchscreen | |
| Mount | Canon EF | Canon RF mount | |
| Memory Cards | CompactFlash Type I/II | CFexpress Type B + SD UHS-II |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1D and EOS R5 next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the EOS R5 against your specific genres — not just specs.
Other upgrades from the EOS-1D
Related buying guides
Camera family history