Upgrade Guide
Canon EOS RP→Canon EOS-1D X Mark III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the EOS RP. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS-1D X Mark III
-
Weather sealingAdded — fully sealed body
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Burst rate16fps mechanical, 20fps live view vs 5fps mechanical
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Battery life~2850 shots (CIPA) vs ~250 shots (CIPA) — very limited
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Generation1 year newer (2020 vs 2019)
Unchanged or similar
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Resolution20MP (down from 26MP — optimised for low light)
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StabilisationIBIS not present in new body
Suitability by genre
| Genre | EOS RP | EOS-1D X Mark III | |
|---|---|---|---|
| Portrait | -1.0 | ||
| Travel | — | ||
| Street | — | ||
| Video | — | ||
| Wildlife | +5.0 | ||
| Sports & Action | — | ||
| Wedding & Events | — | ||
| Vlogging & Video | — | ||
| Landscape | — |
Full spec comparison
| Spec | EOS RP | EOS-1D X Mark III | |
|---|---|---|---|
| Price | £799 | £3,500 | |
| Released | 2019 | 2020 | ↑ |
| Sensor | 26.2MP Full-Frame CMOS | 20.1MP full-frame CMOS | |
| Resolution | 26MP | 20MP | ↓ |
| Video | 4K/24p (with 1.7× crop), 1080p/60p | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | |
| Autofocus | Dual Pixel CMOS AF, 4779 manually selectable positions | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | |
| Stabilisation | None (no IBIS) | — | |
| Burst Rate | 5fps mechanical | 16fps mechanical, 20fps live view | ↑ |
| Battery Life | ~250 shots (CIPA) — very limited | ~2850 shots (CIPA) | ↑ |
| Weight | 485g (body, battery, card) | 1250g (body only) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | EVF, 2.36M dots, 0.70× magnification | OVF 0.76× magnification, 100% coverage | |
| Screen | 3.0" vari-angle touchscreen, 1.04M dots | 3.2" fully articulating touchscreen, 4.15M dots | |
| Mount | Canon RF-mount | Canon EF | |
| Memory Cards | Single SD UHS-II | Dual CFexpress Type B slots |
Compare side-by-side
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