Upgrade Guide
Canon EOS R8→Canon EOS 40D
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the EOS R8. Worth it if that specific upgrade aligns with what you shoot.
What's new in the EOS 40D
-
Battery life~800 shots (CIPA) vs ~220 shots (CIPA)
Unchanged or similar
-
Resolution10MP (down from 24MP — 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 R8 | EOS 40D | |
|---|---|---|---|
| Portrait | -2.7 | ||
| Street | -2.3 | ||
| Travel | -1.8 | ||
| Wedding & Events | -1.7 | ||
| Vlogging & Video | — | ||
| Filmmaking | — | ||
| Documentary | -3.3 | ||
| Sports & Action | -2.5 | ||
| Landscape | -2.1 | ||
| Wildlife | -2.2 | ||
| Casual | -2.9 | ||
| Food | -3.5 | ||
| Macro | -4.1 | ||
| Architecture | -2.5 | ||
| Astrophotography | -1.2 |
Full spec comparison
| Spec | EOS R8 | EOS 40D | |
|---|---|---|---|
| Price | £1,099 | £51 | |
| Released | 2023 | 2007 | ↓ |
| Sensor | 24.2MP Full-frame BSI CMOS | 10.1MP APS-C CMOS | |
| Resolution | 24MP | 10MP | ↓ |
| Video | 4K/60p oversampled 10-bit, FHD/180p | No video | |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | 9-point all cross-type phase-detect via viewfinder; contrast AF in live view | |
| Stabilisation | No stabilisation | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 6fps mechanical, 40fps electronic | 6.5fps | ↑ |
| Battery Life | ~220 shots (CIPA) | ~800 shots (CIPA) | ↑ |
| Weight | 461g (body only) | 820g (with battery) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.59× | Optical pentaprism, 95% coverage, 0.95x | |
| Screen | 3.0" fully articulating touchscreen | 3.0" fixed LCD, 230k dots | |
| Mount | Canon RF mount (full-frame) | Canon EF / EF-S | |
| Memory Cards | Single SD UHS-II slot | Single CompactFlash slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS R8 and EOS 40D 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 40D against your specific genres — not just specs.
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Camera family history