Canon EOS R5 Mark IIvs Ricoh GR IIIxvs Sony A9 III

GearFrame · Updated March 2026

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
Ricoh Ricoh GR IIIx Ricoh Ricoh GR IIIx (2021) From £999 Best for Street portraits & reportage View Ricoh GR IIIx
VS
Sony Sony A9 III Sony Sony A9 III (2023) From £5999 Best for Sports & action professionals View Sony A9 III

Which should you buy?

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.

Street Portraits & Reportage — Ricoh GR IIIx (2021): APS-C in a shirt pocket with a 40mm perspective — the GR IIIx is the ideal street portrait compact for photographers who want a slightly tighter frame.

Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.

↓ Full specifications below

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

Ricoh GR IIIx (2021)

  • You want the GR experience with a slightly tighter, more versatile field of view
  • You shoot portraits, food, or street scenes where 40mm suits better than 28mm wide
  • You want a premium compact that fits in a shirt pocket with better tonal rendering than a phone

Sony A9 III (2023)

  • You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
  • You need reliable high-speed flash sync for studio or on-location action work
  • You want the absolute pinnacle of Sony's action and sports camera technology

Quick take: The canon eos r5 mark ii has the highest resolution at 45mp; the ricoh gr iiix is the most affordable; only the canon eos r5 mark ii, sony a9 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R5 Mark II (2024)Ricoh GR IIIx (2021)Sony A9 III (2023)
Price £4,299 £999 £5,999
Sensor 45MP full-frame BSI stacked CMOS 24.2MP APS-C CMOS 24.6MP full-frame Exmor RS CMOS (global shutter)
Resolution 45.0MP 24.2MP 24.6MP
Video 8K/60p RAW, 4K/120p, Cinema RAW Light 1080p/60p 4K/120p, 4K/60p, 1080p/240p
Autofocus Dual Pixel CMOS AF II, AI subject tracking Hybrid contrast/phase-detect AF with subject detection AI subject recognition AF, 759-point phase-detect
Stabilisation 8-stop IBIS (coordinated with IS lenses) 4-stop IBIS (Shake Reduction) 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 4fps 120fps blackout-free electronic
Battery Life 570 shots (CIPA) 200 shots (CIPA) 530 shots (CIPA)
Weight 746g body only 262g 703g body only
Dimensions 138.5 × 101.2 × 93.5mm 111.2 × 61.4 × 33.2mm 136.1 × 96.9 × 82.9mm
Weather Sealed Yes No Yes
Viewfinder 0.64" OLED EVF, 5.76M dots, 120fps None 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen 3.0" fixed touchscreen 3.2" fully articulating touchscreen
Mount Canon RF Fixed 40mm-equiv f/2.8 lens Sony FE (E-mount)
Memory Cards CFexpress Type B + SD UHS-II Single SD UHS-I Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Canon EOS R5 Mark II prices → Ricoh GR IIIx prices → Sony A9 III prices →

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