Upgrade Guide

OM System OM-3OM System OM System TG-7

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

OM-3
You own
OM System
OM-3
£999
2024
View on GearFrame →
OM System TG-7
Upgrade to
OM System
OM System TG-7
£449 (-£550)
2023
View on GearFrame →
⚖️
Situational
One clear hardware improvement over the OM-3. Worth it if that specific upgrade aligns with what you shoot.
What's new in the OM System TG-7
Unchanged or similar
Suitability by genre
Genre OM-3 OM System TG-7
Travel
9.0
9.0
Wildlife
9.0
Landscape
9.0
Street
9.0
4.0
-5.0
Portrait
7.0
4.0
-3.0
Vlogging & Video
7.0
Adventure & Outdoor
9.0
Underwater
9.0
Family & Everyday
7.0
Full spec comparison
Spec OM-3 OM System TG-7
Price £999 £449
Released 2024 2023
Sensor 20.4MP Live MOS Micro Four Thirds 12MP BSI CMOS
Resolution 20MP 12MP
Video 4K/60p (10-bit), C4K/30p, 1080p/120p 4K/30p, 1080p/120p
Autofocus Phase-detect AF — subject recognition (human, animal, bird, vehicle) Hybrid phase/contrast AF
Stabilisation IBIS — up to 6.5 stops (7.5 stops with Sync IS lenses) Digital IS
Burst Rate 10fps mechanical, 30fps electronic with AF 20fps
Battery Life ~400 shots (CIPA) 340 shots (CIPA)
Weight 414g (with battery) 253g
Weather Sealed Yes Yes
Viewfinder EVF, 2.36M dots, 0.74× magnification None
Screen 3.0" fully articulating touchscreen 3.0" fixed TFT LCD
Mount Micro Four Thirds Fixed 25mm-equiv f/2.0 lens (4× optical zoom)
Memory Cards Single SD UHS-II slot Single SD UHS-I
Compare side-by-side

See OM-3 and OM System TG-7 next to each other with our interactive comparison tool.

⚖️ Compare these cameras
Get a personalised upgrade score

Tell us what you shoot and we'll score the OM System TG-7 against your specific genres — not just specs.

Run the upgrade checker →
Other upgrades from the OM-3
Related buying guides
Camera family history