Canon EOS R3vs A6400vs Sony A7R V

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) From £5999 Best for Sports & photojournalism professionals View Canon EOS R3
VS
Sony A6400 Sony A6400 (2019) From £899 Best for Content creation & vlogging View A6400
VS
Sony Sony A7R V Sony Sony A7R V (2022) From £3899 Best for Landscape, studio & commercial View Sony A7R V

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.

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.

Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.

↓ Full specifications below

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

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

Sony A7R V (2022)

  • You need the highest resolution in Sony's full-frame mirrorless lineup
  • You shoot landscape, architecture, product photography, or high-end fashion professionally
  • You want exceptional resolution paired with Sony's best-in-class autofocus system

Quick take: The sony a7r v has the highest resolution at 61mp; the a6400 is the most affordable; only the canon eos r3, sony a7r v are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)A6400 (2019)Sony A7R V (2022)
Price £5,999 £899 £3,899
Sensor 24.1MP full-frame BSI stacked CMOS 24.2MP APS-C Exmor CMOS BSI 61MP full-frame BSI CMOS
Resolution 24.1MP 24.2MP 61.0MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion 8K/25p, 4K/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Phase-detect, 425 points, real-time Eye AF & animal AF AI subject recognition AF, 693-point phase-detect
Stabilisation 8-stop IBIS None (no IBIS) 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 11fps mechanical, 8fps with AF tracking 10fps mechanical / 7fps electronic
Battery Life 620 shots (CIPA) ~410 shots (CIPA) 530 shots (CIPA)
Weight 1015g body only 403g (body, battery, card) 723g body only
Dimensions 150.0 × 142.6 × 87.2mm 120.0 × 66.9 × 59.7mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes No Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots, 0.70× magnification 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots 3.2" multi-angle touchscreen
Mount Canon RF Sony E-mount Sony FE (E-mount)
Memory Cards Dual CFexpress Type B Single SD UHS-I Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN Micro-USB, Wi-Fi, Bluetooth, NFC USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS R3 prices → A6400 prices → Sony A7R V prices →

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