EOS R8vs OM-D E-M10 IVvs 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.
Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
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
OM-D E-M10 IV (2020)
- You're new to mirrorless and want a small, uncomplicated first camera to learn on
- You want excellent in-body stabilisation to steady handheld video and shake-prone shooting
- You're drawn to the Micro Four Thirds ecosystem and want to start at the entry level
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 eos r8 has the highest resolution at 24mp; the om-d e-m10 iv is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R8 (2023) | OM-D E-M10 IV (2020) | A6400 (2019) |
|---|---|---|---|
| Price | £1,099 | £469 | £899 |
| Sensor | 24.2MP Full-frame BSI CMOS | 20.3MP Micro Four Thirds Live MOS | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | 24.2MP | 20.3MP | 24.2MP |
| Video | 4K/60p oversampled 10-bit, FHD/180p | 4K/30p, 1080p/60p | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking | Phase-detect + contrast detect, 121 points | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | None (no IBIS) | 5-axis IBIS, 4.5 stops | None (no IBIS) |
| Burst Rate | 6fps mechanical, 40fps electronic | 15fps | 11fps mechanical, 8fps with AF tracking |
| Battery Life | ~220 shots (CIPA) | ~360 shots (CIPA) | ~410 shots (CIPA) |
| Weight | 461g body only | 383g body only | 403g (body, battery, card) |
| Dimensions | 132.5 × 86.1 × 70.0mm | 121.4 × 83.6 × 49.0mm | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | No | No | No |
| Viewfinder | EVF, 2.36M dots, 0.59× | EVF, 2.36M dots, 0.46× magnification | EVF, 2.36M dots, 0.70× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" tilting touchscreen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | Canon RF mount (full-frame) | Micro Four Thirds | Sony E-mount |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I slot | Single SD UHS-I |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | Micro-USB, Wi-Fi, Bluetooth, NFC |
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