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EOS-1D X Mark IIIvs Olympus OM-D E-M5 III

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
OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) Starting from £699 new Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 III

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.

Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.

↓ 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

Olympus OM-D E-M5 III (2019)

  • Travel photographers who want a compact, weather-sealed MFT body
  • Outdoor photographers upgrading from the E-M10 who want better sealing
  • Enthusiasts who want strong IBIS in a lightweight, portable system
  • Photographers who want a capable travel camera that won't weigh them down

Quick take: The olympus om-d e-m5 iii has the highest resolution at 20mp; the olympus om-d e-m5 iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS-1D X Mark III (2020)Olympus OM-D E-M5 III (2019)
Price £3,500 £699
Sensor 20.1MP full-frame CMOS 20.4MP Micro Four Thirds Live MOS
Resolution 20.1MP 20.4MP
Video 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) 4K/30p, 1080p/120p
Autofocus 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) Hybrid phase/contrast AF with face/eye detection
Stabilisation 7.5-stop 5-axis IBIS
Burst Rate 16fps mechanical, 20fps live view 30fps electronic / 10fps mechanical
Battery Life ~2850 shots (CIPA) 390 shots (CIPA)
Weight 1250g (body only) 414g body only
Dimensions 158 × 167.6 × 82.6mm 125.3 × 85.2 × 49.7mm
Weather Sealed Yes Yes
Viewfinder OVF 0.76× magnification, 100% coverage 0.35" OLED EVF, 2.36M dots
Screen 3.2" fully articulating touchscreen, 4.15M dots 3.0" fully articulating touchscreen
Mount Canon EF Micro Four Thirds
Memory Cards Dual CFexpress Type B slots Single SD UHS-I
Connectivity Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet Micro USB, Wi-Fi, Bluetooth
Genre EOS-1D X Mark IIIOlympus OM-D E-M5 III
Sports & Action
10.0
7.0
Wildlife
9.0
Wedding & Events
9.0
Portrait
8.0
7.0
Vlogging & Video
7.0
7.0
Street
7.0
9.0
Landscape
7.0
9.0
Travel
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 → Olympus OM-D E-M5 III prices →

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