Canon EOS 90Dvs Olympus OM-D E-M5 IIIvs Ricoh GR III

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) From £699 Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 III
VS
Ricoh Ricoh GR III Ricoh Ricoh GR III (2019) From £899 Best for Street photography & urban reportage View Ricoh GR III

Which should you buy?

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.

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.

Street Photography & Urban Reportage — Ricoh GR III (2019): The purest street photography compact — APS-C sensor, 28mm perspective, IBIS, and cult-favourite JPEG rendering in a shirt pocket.

↓ Full specifications below

Canon EOS 90D (2019)

  • You're invested in Canon EF DSLR lenses and don't want to switch systems
  • You shoot wildlife or sports and prefer an optical viewfinder
  • You want a mid-range DSLR upgrade without going mirrorless

Olympus OM-D E-M5 III (2019)

  • You want a lightweight, sealed camera for travel and outdoor photography
  • You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
  • Note: consider the newer OM-5 for updated specs in a similar compact form factor

Ricoh GR III (2019)

  • You shoot street, travel, or documentary and want APS-C quality in a coat or shirt pocket
  • You want a camera you'll genuinely always carry without thinking about it
  • You appreciate sharp, characterful images from a fixed 28mm equivalent focal length

Quick take: The canon eos 90d has the highest resolution at 32mp; the olympus om-d e-m5 iii is the most affordable; only the canon eos 90d, olympus om-d e-m5 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS 90D (2019)Olympus OM-D E-M5 III (2019)Ricoh GR III (2019)
Price £849 £699 £899
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 20.4MP Micro Four Thirds Live MOS 24.2MP APS-C CMOS
Resolution 32.5MP 20.4MP 24.2MP
Video 4K/30p (1.6× crop), FHD/120p 4K/30p, 1080p/120p 1080p/60p
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Hybrid phase/contrast AF with face/eye detection Hybrid contrast/phase-detect AF with subject detection
Stabilisation None (no IBIS) 7.5-stop 5-axis IBIS 4-stop IBIS (Shake Reduction)
Burst Rate 10fps mechanical 30fps electronic / 10fps mechanical 4fps
Battery Life ~1300 shots (CIPA with OVF) 390 shots (CIPA) 200 shots (CIPA)
Weight 701g body only 414g body only 257g
Dimensions 140.7 × 104.8 × 76.8mm 125.3 × 85.2 × 49.7mm 109.4 × 61.9 × 33.2mm
Weather Sealed Yes Yes No
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification 0.35" OLED EVF, 2.36M dots None
Screen 3.0" vari-angle touchscreen 3.0" fully articulating touchscreen 3.0" fixed touchscreen
Mount Canon EF / EF-S Micro Four Thirds Fixed 28mm-equiv f/2.8 lens
Memory Cards Dual SD UHS-II slots Single SD UHS-I Single SD UHS-I
Connectivity USB 2.0, Bluetooth, Wi-Fi Micro USB, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS 90D prices → Olympus OM-D E-M5 III prices → Ricoh GR III prices →

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