Is it worth upgrading? Spec analysis, key improvements, and our verdict.
| Genre | Canon EOS R3 | EOS M3 | |
|---|---|---|---|
| Sports & Action | -5.0 | ||
| Wildlife | — | ||
| Photojournalism | — | ||
| Vlogging & Video | -2.5 | ||
| Wedding & Events | — | ||
| Travel | +3.5 | ||
| Casual | — | ||
| Portrait | — | ||
| Street | — |
| Spec | Canon EOS R3 | EOS M3 | |
|---|---|---|---|
| Price | £5,999 | £150 | |
| Released | 2021 | 2015 | ↓ |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 24.2MP APS-C CMOS | |
| Resolution | 24MP | 24MP | ↑ |
| Video | 6K RAW, 4K/120p, 1080p/180p | 1080p/30p | |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Hybrid CMOS AF III (phase-detect + contrast-detect) | |
| Stabilisation | 8-stop IBIS | — | |
| Burst Rate | 30fps electronic / 12fps mechanical | 4.2fps | ↓ |
| Battery Life | 620 shots (CIPA) | ~250 shots (CIPA) | ↓ |
| Weight | 1015g body only | 366g (body only) | ↑ |
| Weather Sealed | Yes | No | ↓ |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | None (optional EVF-DC1 accessory) | |
| Screen | 3.2" fully articulating touchscreen | 3.0" tilting touchscreen, 1.04M dots | |
| Mount | Canon RF | Canon EF-M mount | |
| Memory Cards | Dual CFexpress Type B | Single SD UHS-I slot |
See Canon EOS R3 and EOS M3 next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the EOS M3 against your specific genres — not just specs.