📷 Cameras 🔭 Lenses 🎒 Accessories 🏷 Brands

EOS-1D X Mark IIIvs Sony A7R V

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
Sony Sony A7R V Sony Sony A7R V (2022) Starting from £3899 new Best for Landscape, studio & commercial View Sony A7R V

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.

Landscape, Studio & Commercial — Sony A7R V (2022): 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.

↓ 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

Sony A7R V (2022)

  • Commercial and advertising photographers who need 61MP files
  • Landscape photographers who want extraordinary detail in large prints
  • A7R IV owners upgrading to AI-based autofocus and a better EVF
  • Studio photographers who want the highest resolution Sony offers

Quick take: The sony a7r v has the highest resolution at 61mp; 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)Sony A7R V (2022)
Price £3,500 £3,899
Sensor 20.1MP full-frame CMOS 61MP full-frame BSI CMOS
Resolution 20.1MP 61.0MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 8K/25p, 4K/60p
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) AI subject recognition AF, 693-point phase-detect
Stabilisation 8-stop IBIS
Burst Rate 16fps mechanical, 20fps live view 10fps mechanical / 7fps electronic
Battery Life ~2850 shots (CIPA) 530 shots (CIPA)
Weight 1250g (body only) 723g body only
Dimensions 158 × 167.6 × 82.6mm 131.3 × 96.4 × 82.4mm
Weather Sealed Yes Yes
Viewfinder OVF 0.76× magnification, 100% coverage 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.2" multi-angle touchscreen
Mount Canon EF Sony FE (E-mount)
Memory Cards Dual CFexpress Type B slots Dual CFexpress Type A / SD UHS-II
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
Genre EOS-1D X Mark IIISony A7R V
Sports & Action
10.0
4.0
Wildlife
9.0
Wedding & Events
9.0
7.0
Portrait
8.0
9.0
Vlogging & Video
7.0
7.0
Street
7.0
Landscape
7.0
9.0
Architecture
9.0

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 → Sony A7R V prices →

More comparisons with EOS-1D X Mark III

Camera family history