Canon EOS R3vs EOS R6 Mark IIvs OM-D E-M10 IV

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
Olympus OM-D E-M10 IV Olympus OM-D E-M10 IV (2020) From £469 Best for Travel & everyday View OM-D E-M10 IV

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.

Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.

↓ 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

OM-D E-M10 IV (2020)

  • You're new to mirrorless and want a small, uncomplicated first camera to learn on
  • You want excellent in-body stabilisation to steady handheld video and shake-prone shooting
  • You're drawn to the Micro Four Thirds ecosystem and want to start at the entry level

Quick take: The eos r6 mark ii has the highest resolution at 24mp; the om-d e-m10 iv is the most affordable; only the canon eos r3, eos r6 mark ii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)EOS R6 Mark II (2022)OM-D E-M10 IV (2020)
Price £5,999 £2,099 £469
Sensor 24.1MP full-frame BSI stacked CMOS 24.2MP Full-frame BSI CMOS 20.3MP Micro Four Thirds Live MOS
Resolution 24.1MP 24.2MP 20.3MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking Phase-detect + contrast detect, 121 points
Stabilisation 8-stop IBIS 5-axis IBIS, 8.0 stops (coordinated with IS lenses) 5-axis IBIS, 4.5 stops
Burst Rate 30fps electronic / 12fps mechanical 12fps mechanical, 40fps electronic 15fps
Battery Life 620 shots (CIPA) ~760 shots (CIPA) ~360 shots (CIPA)
Weight 1015g body only 670g body only 383g body only
Dimensions 150.0 × 142.6 × 87.2mm 138.4 × 98.4 × 88.4mm 121.4 × 83.6 × 49.0mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 3.69M dots, 0.76× magnification EVF, 2.36M dots, 0.46× magnification
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen 3.0" tilting touchscreen
Mount Canon RF Canon RF mount (full-frame) Micro Four Thirds
Memory Cards Dual CFexpress Type B Dual SD UHS-II slots Single SD UHS-I slot
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.1, Bluetooth, Wi-Fi USB Micro-B, Bluetooth, Wi-Fi, micro HDMI
⚡ Compare specs side by side Canon EOS R3 prices → EOS R6 Mark II prices → OM-D E-M10 IV prices →

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