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G9 vs OM-5 Mark II

Quick take: The OM-5 Mark II has the highest resolution at 20MP; the G9 is the most affordable.

16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

G9 — Wildlife, Sports, Travel: The G9 showed that Micro Four Thirds could compete for fast-action stills.

Who should buy what
G9 (2017)
is the right camera for you if…
  • Wildlife photographers who want fast burst and long telephoto reach at lower cost
  • MFT system users who prioritise stills over video
Full specificationsthe better value in each row is highlighted
Specification G9Lumix · 2017OM-5 Mark IIOM System · 2025
Price £999£880Best
Sensor Micro Four Thirds Live MOS20.4MP Four Thirds Live MOS
Resolution 20.3MP20.4MPBest
Video 4K 60fps, C4K 24fps4K/30p, OM-Log400
Autofocus 225-point contrast-detect DFDPhase-hybrid AF (121 cross-type points)
Stabilisation 5-axis IBIS, 6.5 stops (6.0 stops dual IS)Up to 7.5-stop Sync IS (6.5-stop body-only)
Burst Rate 20fps mechanical, 60fps electronicBest10fps (AF tracking), 30fps (locked)
Battery Life 400 shots (CIPA)Best310 shots (CIPA)
Weight 658g (body only)370g (body only)Best
Dimensions 136.9 × 97.3 × 91.6mm—
Weather Sealed YesYes
Viewfinder EVF 0.83× 3.68M-dotEVF, 2.36M dots, 1.37x magnification
Screen 3.0" fully articulating touchscreen, 1.04M-dotFully articulating touchscreen
Mount Micro Four ThirdsMicro Four Thirds
Memory Cards 2× SD UHS-IISingle SD (UHS-II)
Connectivity Wi-Fi, Bluetooth 4.2, USB-C, HDMI full-sizeUSB-C, Wi-Fi, Bluetooth

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
G9
OM-5 Mark II
Portrait
5.5/10
6.5/10
Street
5.3/10
6.9/10
Travel
5.4/10
6.9/10
Wedding & Events
5.5/10
5.4/10
Vlogging & Video
5.3/10
6.5/10
Filmmaking
5.8/10
5.1/10
Documentary
5.7/10
6.3/10
Sports & Action
6.2/10
6.7/10
Landscape
5.6/10
6.0/10
Wildlife
6.5/10
7.4/10
Casual
4.8/10
6.1/10
Food
6.1/10
6.9/10
Macro
7.4/10
8.1/10
Architecture
5.8/10
6.0/10
Astrophotography
5.0/10
5.5/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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