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EOS-1D X Mark IIIvs Canon EOS R3vs Canon EOS R5 Mark II

GearFrame · Updated March 2026

Canon EOS-1D X Mark III Canon EOS-1D X Mark III (2020) Starting from £3500 new Best for Professional Sports, Wildlife & Press Photography View EOS-1D X Mark III
VS
Canon Canon EOS R3 Canon Canon EOS R3 (2021) Starting from £5999 new Best for Sports & photojournalism professionals View Canon EOS R3
VS
Canon Canon EOS R5 Mark II Canon Canon EOS R5 Mark II (2024) Starting from £4299 new Best for Hybrid shooters & professionals View Canon EOS R5 Mark II

GearScore™ Verdict — Which should you buy?

Professional Sports, Wildlife & Press Photography — EOS-1D X Mark III (2020): Canon's DSLR masterpiece — 20fps live view, 5.5K RAW, 191 cross-type AF points, and dual CFexpress. Almost certainly the finest optical viewfinder camera ever made.

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 specifications below

EOS-1D X Mark III (2020)

  • Sports and wildlife photographers with a Canon EF lens collection
  • Professionals who prefer the optical viewfinder experience
  • Press photographers who need 20fps, weather sealing, and Ethernet
  • Canon historians who want to mark the end of the EOS-1D DSLR era

Canon EOS R3 (2021)

  • Professional sports and photojournalism photographers
  • Canon users who need the fastest burst and most reliable AF in the system
  • R5 users who want a pro-grade grip and faster shooting speed
  • Event photographers who need eye-controlled AF and dual card slots

Canon EOS R5 Mark II (2024)

  • Professional photographers who want 8K RAW and 45MP in one body
  • R5 owners upgrading to faster AF, improved overheating, and neural network processing
  • Wildlife and sports professionals who need high resolution and fast burst
  • Hybrid shooters who demand the very best Canon has to offer

Quick take: The canon eos r5 mark ii has the highest resolution at 45mp; the eos-1d x mark iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS-1D X Mark III (2020)Canon EOS R3 (2021)Canon EOS R5 Mark II (2024)
Price £3,500 £5,999 £4,299
Sensor 20.1MP full-frame CMOS 24.1MP full-frame BSI stacked CMOS 45MP full-frame BSI stacked CMOS
Resolution 20.1MP 24.1MP 45.0MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 6K RAW, 4K/120p, 1080p/180p 8K/60p RAW, 4K/120p, Cinema RAW Light
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, AI subject tracking
Stabilisation 8-stop IBIS 8-stop IBIS (coordinated with IS lenses)
Burst Rate 16fps mechanical, 20fps live view 30fps electronic / 12fps mechanical 30fps electronic / 12fps mechanical
Battery Life ~2850 shots (CIPA) 620 shots (CIPA) 570 shots (CIPA)
Weight 1250g (body only) 1015g body only 746g body only
Dimensions 158 × 167.6 × 82.6mm 150.0 × 142.6 × 87.2mm 138.5 × 101.2 × 93.5mm
Weather Sealed Yes Yes Yes
Viewfinder OVF 0.76× magnification, 100% coverage 0.76" OLED EVF, 5.76M dots, 120fps 0.64" OLED EVF, 5.76M dots, 120fps
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.2" fully articulating touchscreen 3.2" fully articulating touchscreen
Mount Canon EF Canon RF Canon RF
Memory Cards Dual CFexpress Type B slots Dual CFexpress Type B CFexpress Type B + SD UHS-II
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth
Genre EOS-1D X Mark IIICanon EOS R3Canon EOS R5 Mark II
Sports & Action
10.0
9.0
9.0
Wildlife
9.0
9.0
9.0
Wedding & Events
9.0
7.0
9.0
Portrait
8.0
9.0
Vlogging & Video
7.0
7.0
9.0
Street
7.0
Landscape
7.0
9.0
Photojournalism
9.0
Travel
4.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side EOS-1D X Mark III prices → Canon EOS R3 prices → Canon EOS R5 Mark II prices →

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