Upgrade Guide
Canon PowerShot G7X Mark III→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 PowerShot G7X Mark III. 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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Battery life~2850 shots (CIPA) vs ~235 shots (CIPA)
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Generation1 year newer (2020 vs 2019)
Unchanged or similar
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ResolutionSimilar (20MP)
Suitability by genre
| Genre | PowerShot G7X Mark III | EOS-1D X Mark III | |
|---|---|---|---|
| Vlogging & Video | -2.0 | ||
| Travel | — | ||
| Street | — | ||
| Portrait | +1.0 | ||
| Landscape | — | ||
| Sports | — | ||
| Sports & Action | — | ||
| Wildlife | — | ||
| Wedding & Events | — |
Full spec comparison
| Spec | PowerShot G7X Mark III | EOS-1D X Mark III | |
|---|---|---|---|
| Price | £749 | £3,500 | |
| Released | 2019 | 2020 | ↑ |
| Sensor | 20.1MP 1-inch BSI-CMOS | 20.1MP full-frame CMOS | |
| Resolution | 20MP | 20MP | |
| Video | 4K/30p, 1080p/120p — no crop in 4K | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | |
| Autofocus | Dual Pixel CMOS AF — fast, reliable, with Eye AF | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | |
| Stabilisation | Optical IS — lens-based | — | |
| Burst Rate | 20fps (with fixed AF/AE) | 16fps mechanical, 20fps live view | ↓ |
| Battery Life | ~235 shots (CIPA) | ~2850 shots (CIPA) | ↑ |
| Weight | 304g | 1250g (body only) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | None | OVF 0.76× magnification, 100% coverage | |
| Screen | 3.0" fully tilting touchscreen (180° flip for self-facing) | 3.2" fully articulating touchscreen, 4.15M dots | |
| Mount | Fixed 24-100mm equivalent f/1.8-2.8 lens | Canon EF | |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type B slots |
Compare side-by-side
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