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EOS-1D X Mark IIIvs Canon EOS 90Dvs EOS R8

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 90D Canon Canon EOS 90D (2019) Starting from £849 new Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
Canon EOS R8 Canon EOS R8 (2023) Starting from £1099 new Best for Full-frame entry View EOS R8

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, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.

Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.

↓ 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 90D (2019)

  • DSLR photographers who aren't ready to switch to mirrorless
  • Sports and wildlife shooters who want optical viewfinder tracking
  • Canon APS-C DSLR users upgrading to 32.5MP and faster burst
  • Photographers who prefer the battery life and handling of a traditional DSLR

EOS R8 (2023)

  • Photographers wanting full-frame image quality at the lowest RF price
  • EOS RP owners upgrading to better autofocus and modern video specs
  • Beginners who want to start on full-frame without overspending
  • Travel photographers who want a lightweight full-frame RF body

Quick take: The canon eos 90d has the highest resolution at 32mp; the canon eos 90d is the most affordable; only the eos-1d x mark iii, canon eos 90d are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS-1D X Mark III (2020)Canon EOS 90D (2019)EOS R8 (2023)
Price £3,500 £849 £1,099
Sensor 20.1MP full-frame CMOS 32.5MP APS-C CMOS (Dual Pixel AF) 24.2MP Full-frame BSI CMOS
Resolution 20.1MP 32.5MP 24.2MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 4K/30p (1.6× crop), FHD/120p 4K/60p oversampled 10-bit, FHD/180p
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking
Stabilisation None (no IBIS) None (no IBIS)
Burst Rate 16fps mechanical, 20fps live view 10fps mechanical 6fps mechanical, 40fps electronic
Battery Life ~2850 shots (CIPA) ~1300 shots (CIPA with OVF) ~220 shots (CIPA)
Weight 1250g (body only) 701g body only 461g body only
Dimensions 158 × 167.6 × 82.6mm 140.7 × 104.8 × 76.8mm 132.5 × 86.1 × 70.0mm
Weather Sealed Yes Yes No
Viewfinder OVF 0.76× magnification, 100% coverage Optical pentaprism, 100% coverage, 0.95× magnification EVF, 2.36M dots, 0.59×
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen
Mount Canon EF Canon EF / EF-S Canon RF mount (full-frame)
Memory Cards Dual CFexpress Type B slots Dual SD UHS-II slots Single SD UHS-II slot
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet USB 2.0, Bluetooth, Wi-Fi USB-C, Bluetooth, Wi-Fi
Genre EOS-1D X Mark IIICanon EOS 90DEOS R8
Sports & Action
10.0
9.0
4.0
Wildlife
9.0
9.0
Wedding & Events
9.0
7.0
Portrait
8.0
9.0
9.0
Vlogging & Video
7.0
4.0
9.0
Street
7.0
9.0
Landscape
7.0
7.0
7.0
Travel
7.0

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 90D prices → EOS R8 prices →

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