Canon EOS R3vs Olympus OM-D E-M5 III
Canon
Canon EOS R3 (2021)
Starting from £5999 new
Best for Sports & photojournalism professionals
View Canon EOS R3
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?
Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.
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.
Who should buy what
Canon EOS R3 (2021)
- Professional sports and photojournalism photographers
- Canon users who need the fastest burst and most reliable AF in the system
- R5 users who want a pro-grade grip and faster shooting speed
- Event photographers who need eye-controlled AF and dual card slots
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 canon eos r3 has the highest resolution at 24mp; the olympus om-d e-m5 iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS R3 (2021) | Olympus OM-D E-M5 III (2019) |
|---|---|---|
| Price | £5,999 | £699 |
| Sensor | 24.1MP full-frame BSI stacked CMOS | 20.4MP Micro Four Thirds Live MOS |
| Resolution | 24.1MP | 20.4MP |
| Video | 6K RAW, 4K/120p, 1080p/180p | 4K/30p, 1080p/120p |
| Autofocus | Dual Pixel CMOS AF II with Eye Control AF | Hybrid phase/contrast AF with face/eye detection |
| Stabilisation | 8-stop IBIS | 7.5-stop 5-axis IBIS |
| Burst Rate | 30fps electronic / 12fps mechanical | 30fps electronic / 10fps mechanical |
| Battery Life | 620 shots (CIPA) | 390 shots (CIPA) |
| Weight | 1015g body only | 414g body only |
| Dimensions | 150.0 × 142.6 × 87.2mm | 125.3 × 85.2 × 49.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.76" OLED EVF, 5.76M dots, 120fps | 0.35" OLED EVF, 2.36M dots |
| Screen | 3.2" fully articulating touchscreen | 3.0" fully articulating touchscreen |
| Mount | Canon RF | Micro Four Thirds |
| Memory Cards | Dual CFexpress Type B | Single SD UHS-I |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | Micro USB, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Canon EOS R3 | Olympus OM-D E-M5 III |
|---|---|---|
| Sports & Action | ||
| Wildlife | — | |
| Photojournalism | — | |
| Vlogging & Video | ||
| Wedding & Events | — | |
| Travel | ||
| Street | — | |
| Landscape | — | |
| Portrait | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with Canon EOS R3
Camera family history