Upgrade Guide
Canon EOS R→Canon EOS M3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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The EOS M3 offers little measurable spec improvement over the EOS R. Spend the money on glass instead.
Unchanged or similar
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Resolution24MP (down from 30MP — optimised for low light)
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Weather sealingNot present in new body
Suitability by genre
| Genre | EOS R | EOS M3 | |
|---|---|---|---|
| Portrait | -1.5 | ||
| Landscape | — | ||
| Travel | +0.5 | ||
| Wedding | — | ||
| Vlogging & Video | +0.5 | ||
| Sports | — | ||
| Casual | — | ||
| Street | — | ||
| Sports & Action | — |
Full spec comparison
| Spec | EOS R | EOS M3 | |
|---|---|---|---|
| Price | £799 | £150 | |
| Released | 2018 | 2015 | ↓ |
| Sensor | 30.3MP full-frame CMOS | 24.2MP APS-C CMOS | |
| Resolution | 30MP | 24MP | ↓ |
| Video | 4K/30p (1.7× crop), 1080p/60p | 1080p/30p | |
| Autofocus | Dual Pixel CMOS AF — 5655 AF areas, Eye AF | Hybrid CMOS AF III (phase-detect + contrast-detect) | |
| Stabilisation | None | — | |
| Burst Rate | 8fps continuous (5fps with AF/AE) | 4.2fps | ↓ |
| Battery Life | ~350 shots (CIPA) | ~250 shots (CIPA) | ↓ |
| Weight | 660g body only | 366g (body only) | ↑ |
| Weather Sealed | Yes | No | ↓ |
| Viewfinder | EVF, 3.69M dots, 0.71× magnification | None (optional EVF-DC1 accessory) | |
| Screen | 3.0" touchscreen, tilting | 3.0" tilting touchscreen, 1.04M dots | |
| Mount | Canon RF mount (full-frame) | Canon EF-M mount | |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I slot |
Compare side-by-side
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