Upgrade Guide
Canon EOS 5D Mark IV→Canon EOS R100
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the EOS 5D Mark IV. Worth it if that specific upgrade aligns with what you shoot.
What's new in the EOS R100
-
Generation7 years newer (2023 vs 2016)
Unchanged or similar
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Resolution24MP (down from 30MP — optimised for low light)
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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 5D Mark IV | EOS R100 | |
|---|---|---|---|
| Portrait | -0.1 | ||
| Street | +1.5 | ||
| Travel | +0.7 | ||
| Wedding & Events | -2.2 | ||
| Filmmaking | -1.0 | ||
| Documentary | -0.9 | ||
| Sports & Action | -0.5 | ||
| Landscape | -1.5 | ||
| Wildlife | +0.1 | ||
| Casual | +2.8 | ||
| Food | +0.3 | ||
| Macro | +0.2 | ||
| Architecture | -0.8 | ||
| Astrophotography | -2.0 | ||
| Fun & simple | — |
Full spec comparison
| Spec | EOS 5D Mark IV | EOS R100 | |
|---|---|---|---|
| Price | £446 | £529 | |
| Released | 2016 | 2023 | ↑ |
| Sensor | 30.4MP full-frame CMOS | 24.1MP APS-C CMOS | |
| Resolution | 30MP | 24MP | ↓ |
| Video | 4K (4096×2160) /30p Motion JPEG (1.64× crop), 1080p/60, 720p/120 | 4K/30p (slight crop), 1080p/60p | |
| Autofocus | 61-point phase-detect (41 cross-type) via viewfinder; Dual Pixel CMOS AF with face tracking in live view | Dual Pixel CMOS AF, face detection, subject tracking | |
| Stabilisation | No IBIS (lens-based stabilisation only) | No stabilisation | |
| Burst Rate | 7fps | 6.5fps mechanical | ↓ |
| Battery Life | ~900 shots (CIPA) | ~270 shots (CIPA) | ↓ |
| Weight | 890g (with battery) | 356g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | Optical pentaprism, 100% coverage, 0.71x | EVF, 2.36M dots, 0.59× magnification | |
| Screen | 3.2" fixed touchscreen, 1.62M dots | 3.0" fixed LCD, 1.04M dots (no touch) | |
| Mount | Canon EF | Canon RF-mount | |
| Memory Cards | Dual slots: CompactFlash + SD | Single SD UHS-II |
Compare side-by-side
⚖️ Compare these cameras
See EOS 5D Mark IV and EOS R100 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 R100 against your specific genres — not just specs.
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