PowerShot G7X Mark IIIvs OM System OM-1 Mark II
Canon
PowerShot G7X Mark III (2019)
Starting from £749 new
Best for Vlogging, content creation & travel video
View PowerShot G7X Mark III
OM System
OM System OM-1 Mark II (2024)
Starting from £1999 new
Best for Wildlife, birds & outdoor sports
View OM System OM-1 Mark II
GearScore™ Verdict — Which should you buy?
Vlogging, Content Creation & Travel Video — PowerShot G7X Mark III (2019): The finest vlogging compact available — pocket-sized 4K, a flip screen, mic input, and USB live streaming in one remarkably capable package.
Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.
Who should buy what
PowerShot G7X Mark III (2019)
- Vloggers and content creators who need 4K video, a flip screen, and a mic input in a pocket-sized camera
- Travellers who want the best possible compact video quality without carrying an interchangeable-lens system
- Live streamers who want USB streaming capability built into a compact camera
- Smartphone upgraders who want significantly better video quality in something nearly as pocketable
OM System OM-1 Mark II (2024)
- Wildlife and bird photographers who need the best subject tracking in MFT
- Sports photographers who want weather sealing and 50fps burst
- OM-1 owners looking for a meaningful autofocus upgrade
- Professionals who need pro-grade weather sealing in the lightest possible system
Quick take: The powershot g7x mark iii has the highest resolution at 20mp; the powershot g7x mark iii is the most affordable; only the om system om-1 mark ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | PowerShot G7X Mark III (2019) | OM System OM-1 Mark II (2024) |
|---|---|---|
| Price | £749 | £1,999 |
| Sensor | 20.1MP 1-inch BSI-CMOS | 20MP Micro Four Thirds Live MOS |
| Resolution | 20.1MP | 20.0MP |
| Video | 4K/30p, 1080p/120p — no crop in 4K | 4K/60p, 1080p/240p, 4K HLG |
| Autofocus | Dual Pixel CMOS AF — fast, reliable, with Eye AF | AI subject detection AF (birds, animals, motorsport) |
| Stabilisation | Optical IS — lens-based | 8.5-stop IBIS |
| Burst Rate | 20fps (with fixed AF/AE) | 120fps with AF tracking |
| Battery Life | ~235 shots (CIPA) | 520 shots (CIPA) |
| Weight | 304g | 599g body only |
| Dimensions | 105.5 × 60.9 × 41.4mm | 134.8 × 91.6 × 72.7mm |
| Weather Sealed | No | Yes |
| Viewfinder | None | 0.83" OLED EVF, 5.76M dots, 120fps |
| Screen | 3.0" fully tilting touchscreen (180° flip for self-facing) | 3.0" fully articulating touchscreen |
| Mount | Fixed 24-100mm equivalent f/1.8-2.8 lens | Micro Four Thirds |
| Memory Cards | Single SD UHS-I slot | Dual SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | PowerShot G7X Mark III | OM System OM-1 Mark II |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Street | — | |
| Portrait | ||
| Landscape | ||
| Sports | — | |
| Wildlife | — | |
| Sports & Action | — |
More comparisons with PowerShot G7X Mark III
Camera family history