Upgrade Guide
Canon EOS R5→Canon EOS M3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Skip it
The EOS M3 offers little measurable spec improvement over the EOS R5. Spend the money on glass instead.
Unchanged or similar
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Resolution24MP (down from 45MP — optimised for low light)
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Weather sealingNot present in new body
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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 R5 | EOS M3 | |
|---|---|---|---|
| Portrait | -2.6 | ||
| Street | +0.7 | ||
| Travel | +0.1 | ||
| Wedding & Events | -3.5 | ||
| Vlogging & Video | -0.8 | ||
| Filmmaking | — | ||
| Documentary | -3.0 | ||
| Sports & Action | -3.3 | ||
| Landscape | -2.8 | ||
| Wildlife | -3.4 | ||
| Casual | -0.3 | ||
| Food | -2.3 | ||
| Macro | -3.1 | ||
| Architecture | -3.3 | ||
| Astrophotography | -1.9 |
Full spec comparison
| Spec | EOS R5 | EOS M3 | |
|---|---|---|---|
| Price | £2,499 | £150 | |
| Released | 2020 | 2015 | ↓ |
| Sensor | 45MP Full-Frame CMOS | 24.2MP APS-C CMOS | |
| Resolution | 45MP | 24MP | ↓ |
| Video | 8K RAW/30p, 4K/120p, 1080p/120p | 1080p/30p | |
| Autofocus | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | Hybrid CMOS AF III (phase-detect + contrast-detect) | |
| Stabilisation | IBIS — up to 8 stops combined with IS lenses | — | |
| Burst Rate | 12fps mechanical, 20fps electronic | 4.2fps | ↓ |
| Battery Life | ~320 shots (CIPA) | ~250 shots (CIPA) | ↓ |
| Weight | 650g (body only) | 366g (body only) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, 5.76M dots, 0.76× magnification | None (optional EVF-DC1 accessory) | |
| Screen | 3.15" fully articulating touchscreen | 3.0" tilting touchscreen, 1.04M dots | |
| Mount | Canon RF mount | Canon EF-M mount | |
| Memory Cards | CFexpress Type B + SD UHS-II | Single SD UHS-I slot |
Compare side-by-side
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Tell us what you shoot and we'll score the EOS M3 against your specific genres — not just specs.
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