Upgrade Guide
Canon EOS-1D→Canon PowerShot G7X Mark III
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 PowerShot G7X Mark III
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Resolution20MP vs 4MP (+16MP)
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Burst rate20fps (with fixed AF/AE) vs 8fps continuous (up to 21 RAW frames)
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Generation18 years newer (2019 vs 2001)
Unchanged or similar
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Weather sealingNot 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 | PowerShot G7X Mark III | |
|---|---|---|---|
| Portrait | -0.9 | ||
| Street | +2.8 | ||
| Travel | +2.5 | ||
| Wedding & Events | -2.6 | ||
| Documentary | +0.7 | ||
| Sports & Action | — | ||
| Landscape | +0.6 | ||
| Wildlife | — | ||
| Casual | +4.6 | ||
| Food | +2.0 | ||
| Macro | +0.7 | ||
| Architecture | +1.1 | ||
| Astrophotography | -2.6 | ||
| Vlogging & Video | — | ||
| Filmmaking | — | ||
| Fun & simple | — |
Full spec comparison
| Spec | EOS-1D | PowerShot G7X Mark III | |
|---|---|---|---|
| Price | £150 | £749 | |
| Released | 2001 | 2019 | ↑ |
| Sensor | 4.1MP APS-H CMOS (1.3× crop) | 20.1MP 1-inch BSI-CMOS | |
| Resolution | 4MP | 20MP | ↑ |
| Video | — | 4K/30p, 1080p/120p — no crop in 4K | |
| Autofocus | 45-point AF with 7 cross-type points | Contrast-detect AF with face and eye detection | |
| Stabilisation | — | Optical IS — lens-based | |
| Burst Rate | 8fps continuous (up to 21 RAW frames) | 20fps (with fixed AF/AE) | ↑ |
| Battery Life | ~1200 shots per charge | ~235 shots (CIPA) | ↓ |
| Weight | 1225g (body only) | 304g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | OVF, 0.72× magnification, 100% coverage | No viewfinder | |
| Screen | 2.0" fixed LCD | 3.0" fully tilting touchscreen (180° flip for self-facing) | |
| Mount | Canon EF | Fixed 24-100mm equivalent f/1.8-2.8 lens | |
| Memory Cards | CompactFlash Type I/II | Single SD UHS-I slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS-1D and PowerShot G7X Mark III 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 PowerShot G7X Mark III against your specific genres — not just specs.
Other upgrades from the EOS-1D
Related buying guides
Camera family history