Canon EOS R3vs EOS R6 Mark IIvs Z6 III

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 EOS R6 Mark II Canon EOS R6 Mark II (2022) From £2099 Best for Portraits & action View EOS R6 Mark II
VS
Nikon Z6 III Nikon Z6 III (2024) From £2199 Best for Hybrid video & action View Z6 III

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.

Portraits & Action — EOS R6 Mark II (2022): 40fps burst, 8-stop IBIS, and Canon's best-in-class Dual Pixel AF — exceptional for action, sports, and portrait work.

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.

↓ 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

EOS R6 Mark II (2022)

  • You want a do-everything full-frame body for weddings and events
  • You need reliable subject tracking across stills and fast-moving video
  • You shoot both photos and video professionally and need a single body that handles both
  • You want Canon's colour science with a modern mirrorless system

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 eos r6 mark ii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)EOS R6 Mark II (2022)Z6 III (2024)
Price £5,999 £2,099 £2,199
Sensor 24.1MP full-frame BSI stacked CMOS 24.2MP Full-frame BSI CMOS 24.5MP Full-frame Partial-stacked CMOS
Resolution 24.1MP 24.2MP 24.5MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p 6K/60p RAW, 4K/120p, 4K/60p oversampled, N-Log, 10-bit
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking Phase-detect, 273 points, subject detection (human/animal/vehicle/aircraft)
Stabilisation 8-stop IBIS 5-axis IBIS, 8.0 stops (coordinated with IS lenses) 5-axis IBIS, 6.0 stops
Burst Rate 30fps electronic / 12fps mechanical 12fps mechanical, 40fps electronic 20fps mechanical, 60fps electronic
Battery Life 620 shots (CIPA) ~760 shots (CIPA) ~380 shots (CIPA)
Weight 1015g body only 670g body only 760g body only
Dimensions 150.0 × 142.6 × 87.2mm 138.4 × 98.4 × 88.4mm 138.5 × 101.5 × 74.0mm
Weather Sealed Yes Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 3.69M dots, 0.76× magnification EVF, 5.76M dots, 0.90× magnification
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen 3.2" fully articulating touchscreen
Mount Canon RF Canon RF mount (full-frame) Nikon Z-mount (full-frame)
Memory Cards Dual CFexpress Type B Dual SD UHS-II slots Dual slots: CFexpress Type B + SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.1, Bluetooth, Wi-Fi USB-C 3.2, Bluetooth, Wi-Fi
⚡ Compare specs side by side Canon EOS R3 prices → EOS R6 Mark II prices → Z6 III prices →

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