Canon EOS R3vs X-A7vs Z6 III
Canon
Canon EOS R3 (2021)
From £5999
Best for Sports & photojournalism professionals
View Canon EOS R3
Which should you buy?
Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.
Beginner Fujifilm — X-A7 (2019): The most affordable X-mount entry — Fujifilm colour and film simulations with a large flip screen for beginners.
Hybrid Video & Action — Z6 III (2024): Partial-stacked FF sensor for near-zero blackout, 6K RAW video, and 60fps burst — Nikon's most capable hybrid.
Who should buy what
Canon EOS R3 (2021)
- You shoot sport, motorsport, wildlife, or news at a professional level
- You need Canon's most reliable and fastest autofocus available
- You need extreme weather sealing for demanding shooting conditions
X-A7 (2019)
- You want an affordable first mirrorless with decent video capabilities
- You shoot a lot of selfie-style content or vlog on a budget
- Note: no viewfinder and limited lens support — the X-T30 II is a better long-term investment
Z6 III (2024)
- You need the best all-round full-frame camera in Nikon's Z system
- You shoot in challenging or low light and need exceptional high-ISO performance
- You want a hybrid body that genuinely excels at both professional stills and video
Quick take: The z6 iii has the highest resolution at 24mp; the x-a7 is the most affordable; only the canon eos r3, z6 iii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | X-A7 (2019) | Z6 III (2024) |
|---|---|---|---|
| Price | £5,999 | £399 | £2,199 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 24.2MP APS-C CMOS (Bayer, not X-Trans) | 24.5MP Full-frame Partial-stacked CMOS |
| Resolution | 24.1MP | 24.2MP | 24.5MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 4K/30p, 1080p/60p | 6K/60p RAW, 4K/120p, 4K/60p oversampled, N-Log, 10-bit |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Phase-detect + contrast, 425 points | Phase-detect, 273 points, subject detection (human/animal/vehicle/aircraft) |
| Stabilisation | 8-stop IBIS | None (no IBIS) | 5-axis IBIS, 6.0 stops |
| Burst Rate | 30fps electronic / 12fps mechanical | 6fps | 20fps mechanical, 60fps electronic |
| Battery Life | 620 shots (CIPA) | ~440 shots (CIPA) | ~380 shots (CIPA) |
| Weight | 1015g body only | 320g body only | 760g body only |
| Dimensions | 150.0 × 142.6 × 87.2mm | 118.0 × 80.6 × 55.2mm | 138.5 × 101.5 × 74.0mm |
| Weather Sealed | Yes | No | Yes |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | None | EVF, 5.76M dots, 0.90× magnification |
| Screen | 3.2" fully articulating touchscreen | 3.5" fully articulating touchscreen | 3.2" fully articulating touchscreen |
| Mount | Canon RF | Fujifilm X-mount | Nikon Z-mount (full-frame) |
| Memory Cards | Dual CFexpress Type B | Single SD UHS-I slot | Dual slots: CFexpress Type B + SD UHS-II |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C 3.2, Bluetooth, Wi-Fi |
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