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EOS-1D X Mark IIIvs Canon EOS 90Dvs EOS M6 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 90D Canon Canon EOS 90D (2019) Starting from £849 new Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
Canon EOS M6 Mark II Canon EOS M6 Mark II (2019) Starting from £600 new Best for Portrait & Street View EOS M6 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, 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.

Portrait & Street — EOS M6 Mark II (2019): The M6 Mark II is the peak of the EF-M system — 32.5MP, 14fps, and Dual Pixel CMOS AF II in a compact rangefinder-style body. No built-in EVF is the main compromise, but the optional EVF-DC2 resolves this. An outstanding used-market buy for photographers who want high resolution and fast AF in a genuinely compact 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 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 M6 Mark II (2019)

  • Enthusiast photographers who want the best the EF-M system offers
  • Portrait and landscape photographers wanting high resolution in a compact body
  • Street photographers who want a fast, discreet, high-resolution camera
  • Used-market buyers seeking top EF-M performance

Quick take: The canon eos 90d has the highest resolution at 32mp; the eos m6 mark ii 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 M6 Mark II (2019)
Price £3,500 £849 £600
Sensor 20.1MP full-frame CMOS 32.5MP APS-C CMOS (Dual Pixel AF) 32.5MP APS-C CMOS (Dual Pixel)
Resolution 20.1MP 32.5MP 32.5MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 4K/30p (1.6× crop), FHD/120p 4K/30p (1.56× crop), 1080p/120p
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 with face and eye detection
Stabilisation None (no IBIS)
Burst Rate 16fps mechanical, 20fps live view 10fps mechanical 14fps (mechanical and electronic)
Battery Life ~2850 shots (CIPA) ~1300 shots (CIPA with OVF) ~305 shots (CIPA)
Weight 1250g (body only) 701g body only 408g (body only)
Dimensions 158 × 167.6 × 82.6mm 140.7 × 104.8 × 76.8mm 119.6 × 70.0 × 49.2mm
Weather Sealed Yes Yes No
Viewfinder OVF 0.76× magnification, 100% coverage Optical pentaprism, 100% coverage, 0.95× magnification None (optional EVF-DC2 accessory)
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen, 1.04M dots
Mount Canon EF Canon EF / EF-S Canon EF-M mount
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, Wi-Fi, Bluetooth
Genre EOS-1D X Mark IIICanon EOS 90DEOS M6 Mark II
Sports & Action
10.0
9.0
7.5
Wildlife
9.0
9.0
7.0
Wedding & Events
9.0
Portrait
8.0
9.0
8.5
Vlogging & Video
7.0
4.0
7.0
Street
7.0
8.5
Landscape
7.0
7.0
8.5
Travel
7.0
8.5
Casual
8.5

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 M6 Mark II prices →

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