Upgrade Guide
Canon EOS 40D→Canon EOS 100D
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the EOS 40D. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the EOS 100D
-
Resolution18MP vs 10MP (+8MP)
-
Generation6 years newer (2013 vs 2007)
Unchanged or similar
-
Weather sealingNot present in new body
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 40D | EOS 100D | |
|---|---|---|---|
| Portrait | +0.6 | ||
| Street | +1.4 | ||
| Travel | +0.7 | ||
| Wedding & Events | -0.7 | ||
| Documentary | +0.3 | ||
| Sports & Action | -0.9 | ||
| Landscape | — | ||
| Wildlife | -0.6 | ||
| Casual | +1.6 | ||
| Food | +1.1 | ||
| Macro | +0.8 | ||
| Architecture | +0.8 | ||
| Astrophotography | -0.7 |
Full spec comparison
| Spec | EOS 40D | EOS 100D | |
|---|---|---|---|
| Price | £51 | £102 | |
| Released | 2007 | 2013 | ↑ |
| Sensor | 10.1MP APS-C CMOS | 18MP APS-C CMOS | |
| Resolution | 10MP | 18MP | ↑ |
| Video | No video | Full HD 1080p/30, 720p/60 | |
| Autofocus | 9-point all cross-type phase-detect via viewfinder; contrast AF in live view | 9-point phase-detect (centre cross-type) via viewfinder; Hybrid CMOS AF II with face tracking in live view | |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 6.5fps | 4fps | ↓ |
| Battery Life | ~800 shots (CIPA) | ~380 shots (CIPA) | ↓ |
| Weight | 820g (with battery) | 407g (with battery) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | Optical pentaprism, 95% coverage, 0.95x | Optical pentamirror, 95% coverage, 0.87x | |
| Screen | 3.0" fixed LCD, 230k dots | 3.0" fixed touchscreen, 1.04M dots | |
| Mount | Canon EF / EF-S | Canon EF / EF-S | |
| Memory Cards | Single CompactFlash slot | Single SD slot |
Compare side-by-side
⚖️ Compare these cameras
See EOS 40D and EOS 100D 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 100D against your specific genres — not just specs.
Other upgrades from the EOS 40D
Related buying guides
Camera family history