OM-3vs Ricoh GR III
OM System
OM-3 (2024)
Starting from £999 new
Best for Travel, outdoor & adventure photography
View OM-3
Ricoh
Ricoh GR III (2019)
Starting from £899 new
Best for Street photography & urban reportage
View Ricoh GR III
GearScore™ Verdict — Which should you buy?
Travel, Outdoor & Adventure Photography — OM-3 (2024): The ideal mid-range OM System camera — weather sealed, class-leading IBIS, and superb computational features in a compact body.
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.
Who should buy what
OM-3 (2024)
- Outdoor and adventure photographers who need weather sealing and compact size
- Wildlife and bird photographers wanting improved AF over the OM-5
- Travel shooters who want a rugged, lightweight MFT system
- OM-5 or E-M5 III owners wanting better autofocus without going to the OM-1
Ricoh GR III (2019)
- Street photographers who want a classic 28mm perspective in a pocketable body
- Documentary photographers who want a discreet, fast APS-C compact
- GR IIIx buyers who prefer the wider 28mm field of view
- Anyone who wants serious APS-C image quality without carrying a bag
Quick take: The ricoh gr iii has the highest resolution at 24mp; the ricoh gr iii is the most affordable; only the om-3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-3 (2024) | Ricoh GR III (2019) |
|---|---|---|
| Price | £999 | £899 |
| Sensor | 20.4MP Live MOS Micro Four Thirds | 24.2MP APS-C CMOS |
| Resolution | 20.4MP | 24.2MP |
| Video | 4K/60p (10-bit), C4K/30p, 1080p/120p | 1080p/60p |
| Autofocus | Phase-detect AF — subject recognition (human, animal, bird, vehicle) | Hybrid contrast/phase-detect AF with subject detection |
| Stabilisation | IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) | 4-stop IBIS (Shake Reduction) |
| Burst Rate | 10fps mechanical, 30fps electronic with AF | 4fps |
| Battery Life | ~400 shots (CIPA) | 200 shots (CIPA) |
| Weight | 414g (with battery) | 257g |
| Dimensions | 122.3 × 84.6 × 49.4mm | 109.4 × 61.9 × 33.2mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF, 2.36M dots, 0.74× magnification | None |
| Screen | 3.0" fully articulating touchscreen | 3.0" fixed touchscreen |
| Mount | Micro Four Thirds | Fixed 28mm-equiv f/2.8 lens |
| Memory Cards | Single SD UHS-II slot | Single SD UHS-I |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | OM-3 | Ricoh GR III |
|---|---|---|
| Travel | ||
| Wildlife | — | |
| Landscape | ||
| Street | ||
| Portrait | ||
| Vlogging & Video | ||
| Documentary | — |
More comparisons with OM-3
Camera family history