EOS R100vs Nikon D7500vs 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.
Sports, Travel & Dslr Shooters — Nikon D7500 (2017): The D500's BSI sensor in a compact, weather-sealed body — excellent high-ISO performance and DSLR reliability at a great price.
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
Nikon D7500 (2017)
- You're deeply invested in Nikon F-mount glass and aren't ready to switch systems
- You shoot wildlife or sport and still prefer an optical viewfinder response
- Note: consider the Z5 II or Z6 III if you're open to mirrorless for a future-proof investment
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 a6400 has the highest resolution at 24mp; the eos r100 is the most affordable; only the nikon d7500 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R100 (2023) | Nikon D7500 (2017) | A6400 (2019) |
|---|---|---|---|
| Price | £529 | £899 | £899 |
| Sensor | 24.1MP APS-C CMOS | 20.9MP APS-C BSI CMOS (D500 sensor) | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 24.1MP | 20.9MP | 24.2MP |
| Video | 4K/30p (slight crop), 1080p/60p | 4K/30p (slight crop), FHD/60p | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF, face detection, subject tracking | Multi-CAM 3500FX II, 51 points (15 cross-type) | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | None (no IBIS) | None (no IBIS) | None (no IBIS) |
| Burst Rate | 6.5fps mechanical | 8fps mechanical | 11fps mechanical, 8fps with AF tracking |
| Battery Life | ~270 shots (CIPA) | ~950 shots (CIPA with OVF) | ~410 shots (CIPA) |
| Weight | 356g (body, battery, card) | 640g body only | 403g (body, battery, card) |
| Dimensions | 116.3 × 85.5 × 68.8mm | 135.5 × 104.0 × 72.5mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | No | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.59× magnification | Optical pentaprism, 100% coverage, 0.94× magnification | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fixed touchscreen, 1.04M dots | 3.2" tilting touchscreen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Canon RF-mount | Nikon F-mount (DX) | Sony E-mount |
| Memory Cards | Single SD UHS-II | Single SD UHS-II slot | Single SD UHS-I |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB Micro-B, Bluetooth, Wi-Fi | Micro-USB, Wi-Fi, Bluetooth, NFC |
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