EOS R8vs Olympus OM-D E-M5 IIIvs Ricoh GR III

GearFrame · Updated March 2026

Canon EOS R8 Canon EOS R8 (2023) From £1099 Best for Full-frame entry View EOS R8
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?

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.

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

EOS R8 (2023)

  • You want full-frame image quality on a tight budget
  • You shoot mainly in good light and can live without built-in stabilisation
  • You primarily shoot stills with occasional video

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 eos r8 has the highest resolution at 24mp; the olympus om-d e-m5 iii is the most affordable; only the olympus om-d e-m5 iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R8 (2023)Olympus OM-D E-M5 III (2019)Ricoh GR III (2019)
Price £1,099 £699 £899
Sensor 24.2MP Full-frame BSI CMOS 20.4MP Micro Four Thirds Live MOS 24.2MP APS-C CMOS
Resolution 24.2MP 20.4MP 24.2MP
Video 4K/60p oversampled 10-bit, FHD/180p 4K/30p, 1080p/120p 1080p/60p
Autofocus Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking 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 6fps mechanical, 40fps electronic 30fps electronic / 10fps mechanical 4fps
Battery Life ~220 shots (CIPA) 390 shots (CIPA) 200 shots (CIPA)
Weight 461g body only 414g body only 257g
Dimensions 132.5 × 86.1 × 70.0mm 125.3 × 85.2 × 49.7mm 109.4 × 61.9 × 33.2mm
Weather Sealed No Yes No
Viewfinder EVF, 2.36M dots, 0.59× 0.35" OLED EVF, 2.36M dots None
Screen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen 3.0" fixed touchscreen
Mount Canon RF mount (full-frame) Micro Four Thirds Fixed 28mm-equiv f/2.8 lens
Memory Cards Single SD UHS-II slot Single SD UHS-I Single SD UHS-I
Connectivity USB-C, Bluetooth, Wi-Fi Micro USB, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R8 prices → Olympus OM-D E-M5 III prices → Ricoh GR III prices →

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