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EOS-1D X Mark IIIvs EOS R6vs EOS RP

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 R6 Canon EOS R6 (2020) Starting from £1299 new Best for Wedding, portrait, sports, video View EOS R6
VS
Canon EOS RP Canon EOS RP (2019) Starting from £799 new Best for Entry full-frame stills photography View EOS RP

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.

Wedding, Portrait, Sports, Video — EOS R6 (2020): The camera that made Canon's RF system worth taking seriously.

Entry Full-Frame Stills Photography — EOS RP (2019): An affordable gateway into the RF system. The RP makes sense as a stepping stone camera — if you're committed to Canon RF glass, this is the cheapest full-frame body to buy those lenses for. Just manage expectations on video and battery life.

↓ 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 R6 (2020)

  • Canon DSLR shooters moving to mirrorless
  • Hybrid photographers who shoot both stills and video

EOS RP (2019)

  • Canon users who want to start investing in RF glass affordably
  • Stills photographers who shoot primarily in good light
  • Anyone coming from a Canon DSLR wanting the RF system at low cost
  • Travel photographers who prioritise compactness over video specs

Quick take: The eos rp has the highest resolution at 26mp; the eos rp is the most affordable; only the eos-1d x mark iii, eos r6 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS-1D X Mark III (2020)EOS R6 (2020)EOS RP (2019)
Price £3,500 £1,299 £799
Sensor 20.1MP full-frame CMOS Full-frame CMOS 35mm 26.2MP Full-Frame CMOS
Resolution 20.1MP 20.1MP 26.2MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 4K 60fps (crop), 4K 30fps (full), 1080p 120fps 4K/24p (with 1.7× crop), 1080p/60p
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) Dual Pixel CMOS AF II, 6072 AF positions, subject tracking Dual Pixel CMOS AF, 4779 manually selectable positions
Stabilisation 5-axis IBIS, up to 8 stops coordinated IS None (no IBIS)
Burst Rate 16fps mechanical, 20fps live view 12fps mechanical, 20fps electronic 5fps mechanical
Battery Life ~2850 shots (CIPA) 380 shots (LCD), 510 shots (EVF) ~250 shots (CIPA) — very limited
Weight 1250g (body only) 598g (body only) 485g (body, battery, card)
Dimensions 158 × 167.6 × 82.6mm 138.4 × 97.5 × 88.4mm 132.5 × 85.0 × 70.0mm
Weather Sealed Yes Yes No
Viewfinder OVF 0.76× magnification, 100% coverage EVF 0.76× 3.69M-dot EVF, 2.36M dots, 0.70× magnification
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.0" fully articulating touchscreen, 1.62M-dot 3.0" vari-angle touchscreen, 1.04M dots
Mount Canon EF Canon RF Canon RF-mount
Memory Cards Dual CFexpress Type B slots 2× SD UHS-II Single SD UHS-II
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1, HDMI USB-C, Wi-Fi, Bluetooth
Genre EOS-1D X Mark IIIEOS R6EOS RP
Sports & Action
10.0
9.0
Wildlife
9.0
8.0
4.0
Wedding & Events
9.0
9.0
Portrait
8.0
9.0
9.0
Vlogging & Video
7.0
9.0
Street
7.0
7.0
7.0
Landscape
7.0
7.0
Travel
7.0
Video
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 R6 prices → EOS RP prices →

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