Canon EOS R3vs Canon EOS R5 Mark IIvs A7C II

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
Canon Canon EOS R5 Mark II Canon Canon EOS R5 Mark II (2024) From £4299 Best for Hybrid shooters & professionals View Canon EOS R5 Mark II
VS
Sony A7C II Sony A7C II (2023) From £1499 Best for Full-frame hybrid View A7C II

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.

Hybrid Shooters & Professionals — Canon EOS R5 Mark II (2024): The most complete hybrid camera Canon has ever made — 45MP stacked BSI, 30fps burst, 8K/60p RAW, and Canon's legendary Dual Pixel AF in one body.

Full-Frame Hybrid — A7C II (2023): Full-frame AI autofocus in the most compact body available — the best camera under £1,500 for hybrid shooters.

↓ 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

Canon EOS R5 Mark II (2024)

  • You're a working photographer or filmmaker who needs high-resolution stills and professional video
  • You shoot commercial, editorial, or high-end portrait work
  • You want the absolute best Canon mirrorless has to offer

A7C II (2023)

  • You want full-frame image quality in the most compact body possible
  • You travel constantly and need a serious camera that doesn't weigh down your bag
  • You're a portrait or lifestyle photographer who shoots on the move
  • You create content for social media or YouTube and want full-frame quality in a vlog-friendly form

Quick take: The canon eos r5 mark ii has the highest resolution at 45mp; the a7c ii is the most affordable; only the canon eos r3, canon eos r5 mark ii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)Canon EOS R5 Mark II (2024)A7C II (2023)
Price £5,999 £4,299 £1,499
Sensor 24.1MP full-frame BSI stacked CMOS 45MP full-frame BSI stacked CMOS 33MP Full-frame Exmor R BSI CMOS
Resolution 24.1MP 45.0MP 33.0MP
Video 6K RAW, 4K/120p, 1080p/180p 8K/60p RAW, 4K/120p, Cinema RAW Light 4K/60p oversampled, S-Log3, 10-bit internal
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, AI subject tracking 759-point phase-detect, AI subject recognition
Stabilisation 8-stop IBIS 8-stop IBIS (coordinated with IS lenses) 5-axis IBIS, 7.0 stops
Burst Rate 30fps electronic / 12fps mechanical 30fps electronic / 12fps mechanical 10fps mechanical, 30fps electronic
Battery Life 620 shots (CIPA) 570 shots (CIPA) ~530 shots (CIPA)
Weight 1015g body only 746g body only 514g body only
Dimensions 150.0 × 142.6 × 87.2mm 138.5 × 101.2 × 93.5mm 124.0 × 71.1 × 63.4mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps 0.64" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots, 0.70× magnification
Screen 3.2" fully articulating touchscreen 3.2" fully articulating touchscreen 3.0" vari-angle touchscreen
Mount Canon RF Canon RF Sony FE (full-frame E-mount)
Memory Cards Dual CFexpress Type B CFexpress Type B + SD UHS-II Dual slots: SD UHS-II + CFexpress Type A
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C (3.2), Bluetooth, Wi-Fi
⚡ Compare specs side by side Canon EOS R3 prices → Canon EOS R5 Mark II prices → A7C II prices →

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