EOS R8vs Ricoh GR IIIvs A6400
Which should you buy?
Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.
Street Photography & Urban Reportage — Ricoh GR III (2019): The purest street photography compact — APS-C sensor, 28mm perspective, IBIS, and cult-favourite JPEG rendering in a shirt pocket.
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 R8 (2023)
- You want full-frame image quality on a tight budget
- You shoot mainly in good light and can live without built-in stabilisation
- You primarily shoot stills with occasional video
Ricoh GR III (2019)
- You shoot street, travel, or documentary and want APS-C quality in a coat or shirt pocket
- You want a camera you'll genuinely always carry without thinking about it
- You appreciate sharp, characterful images from a fixed 28mm equivalent focal length
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 ricoh gr iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R8 (2023) | Ricoh GR III (2019) | A6400 (2019) |
|---|---|---|---|
| Price | £1,099 | £899 | £899 |
| Sensor | 24.2MP Full-frame BSI CMOS | 24.2MP APS-C CMOS | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 24.2MP | 24.2MP | 24.2MP |
| Video | 4K/60p oversampled 10-bit, FHD/180p | 1080p/60p | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | Hybrid contrast/phase-detect AF with subject detection | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | None (no IBIS) | 4-stop IBIS (Shake Reduction) | None (no IBIS) |
| Burst Rate | 6fps mechanical, 40fps electronic | 4fps | 11fps mechanical, 8fps with AF tracking |
| Battery Life | ~220 shots (CIPA) | 200 shots (CIPA) | ~410 shots (CIPA) |
| Weight | 461g body only | 257g | 403g (body, battery, card) |
| Dimensions | 132.5 × 86.1 × 70.0mm | 109.4 × 61.9 × 33.2mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | No | No | No |
| Viewfinder | EVF, 2.36M dots, 0.59× | None | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" fixed touchscreen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Canon RF mount (full-frame) | Fixed 28mm-equiv f/2.8 lens | Sony E-mount |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I | Single SD UHS-I |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth | Micro-USB, Wi-Fi, Bluetooth, NFC |
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