Upgrade Guide
Canon EOS R5 Mark II→Canon EOS R3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Skip it
The EOS R3 offers little measurable spec improvement over the EOS R5 Mark II. Spend the money on glass instead.
Unchanged or similar
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Resolution24MP (down from 45MP — optimised for low light)
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 Mark II | EOS R3 | |
|---|---|---|---|
| Portrait | -0.7 | ||
| Street | -0.9 | ||
| Travel | -1.0 | ||
| Wedding & Events | -0.4 | ||
| Vlogging & Video | -0.7 | ||
| Filmmaking | -0.2 | ||
| Documentary | -0.5 | ||
| Sports & Action | -0.1 | ||
| Landscape | -1.0 | ||
| Wildlife | -0.2 | ||
| Casual | -0.8 | ||
| Food | -0.9 | ||
| Macro | -1.7 | ||
| Architecture | -1.0 | ||
| Astrophotography | +0.2 |
Full spec comparison
| Spec | EOS R5 Mark II | EOS R3 | |
|---|---|---|---|
| Price | £4,299 | £5,999 | |
| Released | 2024 | 2021 | ↓ |
| Sensor | 45MP full-frame BSI stacked CMOS | 24.1MP full-frame BSI stacked CMOS | |
| Resolution | 45MP | 24MP | ↓ |
| Video | 8K/60p RAW, 4K/120p, Cinema RAW Light | 6K RAW, 4K/120p, 1080p/180p | |
| Autofocus | Dual Pixel CMOS AF II, AI subject tracking | Dual Pixel CMOS AF II with Eye Control AF | |
| Stabilisation | 8-stop IBIS (coordinated with IS lenses) | 8-stop IBIS | |
| Burst Rate | 30fps electronic / 12fps mechanical | 30fps electronic / 12fps mechanical | |
| Battery Life | 570 shots (CIPA) | 620 shots (CIPA) | ↑ |
| Weight | 746g (body only) | 1015g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | 0.64" OLED EVF, 5.76M dots, 120fps | 0.76" OLED EVF, 5.76M dots, 120fps | |
| Screen | 3.2" fully articulating touchscreen | 3.2" fully articulating touchscreen | |
| Mount | Canon RF | Canon RF | |
| Memory Cards | CFexpress Type B + SD UHS-II | Dual CFexpress Type B |
Compare side-by-side
⚖️ Compare these cameras
See EOS R5 Mark II and EOS R3 next to each other with our interactive comparison tool.
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Tell us what you shoot and we'll score the EOS R3 against your specific genres — not just specs.
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