Canon EOS R3vs Nikon Z9vs 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
Nikon Nikon Z9 Nikon Nikon Z9 (2021) From £5499 Best for Professional sports & wildlife View Nikon Z9
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.

Professional Sports & Wildlife — Nikon Z9 (2021): The Z9 redefined what professional mirrorless could be — no mechanical shutter, 45MP stacked BSI, and 8K RAW in the most rugged Z body.

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

Nikon Z9 (2021)

  • You shoot professionally and need a camera body that handles everything without compromise
  • You're a sports, wildlife, or commercial photographer who demands the absolute best
  • You want a camera body that will remain state-of-the-art for the next decade

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 nikon z9 has the highest resolution at 46mp; the om-d e-m10 iv is the most affordable; only the canon eos r3, nikon z9 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)Nikon Z9 (2021)OM-D E-M10 IV (2020)
Price £5,999 £5,499 £469
Sensor 24.1MP full-frame BSI stacked CMOS 45.7MP full-frame BSI stacked CMOS 20.3MP Micro Four Thirds Live MOS
Resolution 24.1MP 45.7MP 20.3MP
Video 6K RAW, 4K/120p, 1080p/180p 8K/30p RAW, 4K/120p, ProRes RAW 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Subject detection AF, 493-point phase-detect Phase-detect + contrast detect, 121 points
Stabilisation 8-stop IBIS 6-stop IBIS 5-axis IBIS, 4.5 stops
Burst Rate 30fps electronic / 12fps mechanical 20fps RAW / 120fps JPEG 15fps
Battery Life 620 shots (CIPA) 740 shots (CIPA) ~360 shots (CIPA)
Weight 1015g body only 1340g body only 383g body only
Dimensions 150.0 × 142.6 × 87.2mm 149.0 × 149.5 × 90.5mm 121.4 × 83.6 × 49.0mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps 0.5" Quad-VGA OLED EVF, 3.69M dots, 120fps EVF, 2.36M dots, 0.46× magnification
Screen 3.2" fully articulating touchscreen 3.2" tilting touchscreen 3.0" tilting touchscreen
Mount Canon RF Nikon Z-mount Micro Four Thirds
Memory Cards Dual CFexpress Type B Dual CFexpress Type B / XQD Single SD UHS-I slot
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB Micro-B, Bluetooth, Wi-Fi, micro HDMI
⚡ Compare specs side by side Canon EOS R3 prices → Nikon Z9 prices → OM-D E-M10 IV prices →

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