Upgrade Guide
Canon EOS M3→Canon EOS R
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the EOS M3. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS R
-
Resolution30MP vs 24MP (+6MP)
-
Weather sealingAdded — fully sealed body
-
Burst rate8fps continuous (5fps with AF/AE) vs 4.2fps
-
Battery life~350 shots (CIPA) vs ~250 shots (CIPA)
-
Generation3 years newer (2018 vs 2015)
Suitability by genre
| Genre | EOS M3 | EOS R | |
|---|---|---|---|
| Casual | — | ||
| Travel | -0.5 | ||
| Portrait | +1.5 | ||
| Street | — | ||
| Vlogging & Video | -0.5 | ||
| Sports & Action | — | ||
| Landscape | — | ||
| Wedding | — | ||
| Sports | — |
Full spec comparison
| Spec | EOS M3 | EOS R | |
|---|---|---|---|
| Price | £150 | £799 | |
| Released | 2015 | 2018 | ↑ |
| Sensor | 24.2MP APS-C CMOS | 30.3MP full-frame CMOS | |
| Resolution | 24MP | 30MP | ↑ |
| Video | 1080p/30p | 4K/30p (1.7× crop), 1080p/60p | |
| Autofocus | Hybrid CMOS AF III (phase-detect + contrast-detect) | Dual Pixel CMOS AF — 5655 AF areas, Eye AF | |
| Stabilisation | — | None | |
| Burst Rate | 4.2fps | 8fps continuous (5fps with AF/AE) | ↑ |
| Battery Life | ~250 shots (CIPA) | ~350 shots (CIPA) | ↑ |
| Weight | 366g (body only) | 660g body only | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | None (optional EVF-DC1 accessory) | EVF, 3.69M dots, 0.71× magnification | |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" touchscreen, tilting | |
| Mount | Canon EF-M mount | Canon RF mount (full-frame) | |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-II slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS M3 and EOS R 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 EOS R against your specific genres — not just specs.
Other upgrades from the EOS M3
Related buying guides
Camera family history