EOS R100vs Lumix S5 IIvs A6400
Which should you buy?
First Camera / Beginner Photography — EOS R100 (2023): The R100 does the basics well at the lowest possible price point. Its main value is as a gateway into the Canon RF ecosystem — the lenses you buy now will work on any Canon body you upgrade to later. Modest ambitions, reliably met.
Hybrid Video & Photography — Lumix S5 II (2023): Phase-detect AF changed everything for Lumix — the S5 II delivers exceptional hybrid performance with 6K video and genuine full-frame value.
Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.
Who should buy what
EOS R100 (2023)
- First-time camera buyers stepping up from a smartphone
- Students and hobbyists wanting an affordable starting point
- Anyone who wants to start investing in Canon RF glass on a budget
- Casual photographers who don't need advanced video or speed
Lumix S5 II (2023)
- You want a capable full-frame hybrid with strong video credentials and reliable autofocus
- You're considering switching from Sony or Canon and want something genuinely different
- You shoot weddings, events, or documentary and need dependable full-frame performance
A6400 (2019)
- Vloggers and content creators who need a flip screen and reliable AF
- Photographers upgrading from a compact or smartphone
- Beginners who want room to grow into a full E-mount lens ecosystem
- Anyone prioritising autofocus performance at an accessible price
Quick take: The lumix s5 ii has the highest resolution at 24mp; the eos r100 is the most affordable; only the lumix s5 ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R100 (2023) | Lumix S5 II (2023) | A6400 (2019) |
|---|---|---|---|
| Price | £529 | £1,999 | £899 |
| Sensor | 24.1MP APS-C CMOS | 24.2MP full-frame BSI CMOS | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 24.1MP | 24.2MP | 24.2MP |
| Video | 4K/30p (slight crop), 1080p/60p | 6K/30p, 4K/60p, C4K/60p, V-Log | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF, face detection, subject tracking | Phase-detect AF with subject/face/eye detection | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | None (no IBIS) | 5-axis IBIS (up to 6.5-stop with OIS lenses) | None (no IBIS) |
| Burst Rate | 6.5fps mechanical | 30fps electronic / 7fps mechanical | 11fps mechanical, 8fps with AF tracking |
| Battery Life | ~270 shots (CIPA) | 740 shots (CIPA) | ~410 shots (CIPA) |
| Weight | 356g (body, battery, card) | 740g body only | 403g (body, battery, card) |
| Dimensions | 116.3 × 85.5 × 68.8mm | 134.3 × 102.3 × 90.1mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | No | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.59× magnification | 0.76" OLED EVF, 3.68M dots | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fixed touchscreen, 1.04M dots | 3.0" fully articulating touchscreen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Canon RF-mount | Leica L-mount | Sony E-mount |
| Memory Cards | Single SD UHS-II | Dual SD UHS-II | Single SD UHS-I |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C 3.1, HDMI full-size, Wi-Fi, Bluetooth | Micro-USB, Wi-Fi, Bluetooth, NFC |
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