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EOS-1D X Mark IIIvs EOS Rvs EOS R6 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 EOS R Canon EOS R (2018) Starting from £799 new Best for Entry to full-frame mirrorless & RF lens exploration View EOS R
VS
Canon EOS R6 Mark II Canon EOS R6 Mark II (2022) Starting from £2099 new Best for Portraits & action View EOS R6 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.

Entry To Full-Frame Mirrorless & Rf Lens Exploration — EOS R (2018): The RF mount's founding camera — 30MP, Dual Pixel CMOS AF, and the proof-of-concept that launched Canon's mirrorless era.

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.

↓ 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

EOS R (2018)

  • Canon DSLR users wanting to enter the RF ecosystem at the lowest full-frame price
  • EF lens collectors who want an affordable RF body to use with the EF-RF adapter
  • Photographers stepping up from APS-C who want full-frame quality on a budget
  • RF system fans who want a second body without full EOS R6 pricing

EOS R6 Mark II (2022)

  • Wedding and event photographers who need the most reliable Canon AF available
  • Sports and wildlife shooters who want 40fps and subject detection
  • R6 owners looking for a significant AF and burst speed upgrade
  • Hybrid shooters who need 4K/60p and IBIS in a versatile full-frame body

Quick take: The eos r has the highest resolution at 30mp; the eos r is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS-1D X Mark III (2020)EOS R (2018)EOS R6 Mark II (2022)
Price £3,500 £799 £2,099
Sensor 20.1MP full-frame CMOS 30.3MP full-frame CMOS 24.2MP Full-frame BSI CMOS
Resolution 20.1MP 30.3MP 24.2MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 4K/30p (1.7× crop), 1080p/60p 4K/60p 10-bit oversampled, 6K RAW out, FHD/180p
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) Dual Pixel CMOS AF — 5655 AF areas, Eye AF Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking
Stabilisation None 5-axis IBIS, 8.0 stops (coordinated with IS lenses)
Burst Rate 16fps mechanical, 20fps live view 8fps continuous (5fps with AF/AE) 12fps mechanical, 40fps electronic
Battery Life ~2850 shots (CIPA) ~350 shots (CIPA) ~760 shots (CIPA)
Weight 1250g (body only) 660g body only 670g body only
Dimensions 158 × 167.6 × 82.6mm 135.8 × 98.3 × 84.4mm 138.4 × 98.4 × 88.4mm
Weather Sealed Yes Yes Yes
Viewfinder OVF 0.76× magnification, 100% coverage EVF, 3.69M dots, 0.71× magnification EVF, 3.69M dots, 0.76× magnification
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.0" touchscreen, tilting 3.0" fully articulating touchscreen
Mount Canon EF Canon RF mount (full-frame) Canon RF mount (full-frame)
Memory Cards Dual CFexpress Type B slots Single SD UHS-II slot Dual SD UHS-II slots
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack USB-C 3.1, Bluetooth, Wi-Fi
Genre EOS-1D X Mark IIIEOS REOS R6 Mark II
Sports & Action
10.0
9.0
Wildlife
9.0
7.0
Wedding & Events
9.0
9.0
Portrait
8.0
9.0
9.0
Vlogging & Video
7.0
4.0
9.0
Street
7.0
Landscape
7.0
9.0
7.0
Travel
7.0
Wedding
7.0
Sports
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 → EOS R prices → EOS R6 Mark II prices →

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