OM-3vs Sony RX100 VII

GearFrame · Updated March 2026

OM System OM-3 OM System OM-3 (2024) Starting from £999 new Best for Travel, outdoor & adventure photography View OM-3
VS
Sony Sony RX100 VII Sony Sony RX100 VII (2019) Starting from £1099 new Best for Travel & versatility View Sony RX100 VII

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.

Travel & Versatility — Sony RX100 VII (2019): The most versatile compact camera ever made — 24-200mm zoom, 20fps burst, and 960fps slow-motion in a jacket pocket.

↓ Full specifications below

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

Sony RX100 VII (2019)

  • Travel photographers who want the most capable 1-inch compact available
  • Vloggers who need fast AF and a flip screen in a jacket-pocket body
  • Photographers who want a high-quality compact backup to a mirrorless system
  • Anyone who wants professional AF performance without carrying a large camera

Quick take: The om-3 has the highest resolution at 20mp; the om-3 is the most affordable; only the om-3 is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification OM-3 (2024)Sony RX100 VII (2019)
Price £999 £1,099
Sensor 20.4MP Live MOS Micro Four Thirds 20.1MP 1-inch Exmor RS BSI CMOS (stacked)
Resolution 20.4MP 20.1MP
Video 4K/60p (10-bit), C4K/30p, 1080p/120p 4K/30p HLG, FHD/960fps super slow-motion
Autofocus Phase-detect AF — subject recognition (human, animal, bird, vehicle) 357-point phase-detect + 425 contrast, Eye AF, tracking
Stabilisation IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) 3-stop Optical SteadyShot
Burst Rate 10fps mechanical, 30fps electronic with AF 20fps AF/AE tracking (90fps short burst)
Battery Life ~400 shots (CIPA) ~260 shots (CIPA)
Weight 414g (with battery) 302g with battery and card
Dimensions 122.3 × 84.6 × 49.4mm 101.6 × 58.1 × 42.8mm
Weather Sealed Yes No
Viewfinder EVF, 2.36M dots, 0.74× magnification Pop-up EVF, 2.36M dots, 0.59× magnification
Screen 3.0" fully articulating touchscreen 3.0" tilting touchscreen
Mount Micro Four Thirds Fixed Zeiss Vario-Sonnar 24-200mm f/2.8-4.5
Memory Cards Single SD UHS-II slot Single SD UHS-I slot
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, NFC
Genre OM-3Sony RX100 VII
Travel
9.0
9.0
Wildlife
9.0
7.0
Landscape
9.0
Street
9.0
7.0
Portrait
7.0
4.0
Vlogging & Video
7.0
9.0
Family & Everyday
9.0
⚡ Compare specs side by side OM-3 prices → Sony RX100 VII prices →

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