PowerShot G7X Mark IIIvs OM System TG-7
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 TG-7 (2023)
Starting from £449 new
Best for Adventure, underwater & outdoor use
View OM System TG-7
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.
Adventure, Underwater & Outdoor Use — OM System TG-7 (2023): Waterproof to 15m, freezeproof and shockproof — the TG-7 is the most capable rugged compact for adventure and outdoor use.
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 TG-7 (2023)
- Divers and snorkellers who need a waterproof camera without a housing
- Outdoor and adventure photographers who want a rugged pocket compact
- Parents who want an indestructible camera for children and family adventures
- Travellers who want a tough backup camera that can go anywhere
Quick take: The powershot g7x mark iii has the highest resolution at 20mp; the om system tg-7 is the most affordable; only the om system tg-7 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | PowerShot G7X Mark III (2019) | OM System TG-7 (2023) |
|---|---|---|
| Price | £749 | £449 |
| Sensor | 20.1MP 1-inch BSI-CMOS | 12MP BSI CMOS |
| Resolution | 20.1MP | 12.0MP |
| Video | 4K/30p, 1080p/120p — no crop in 4K | 4K/30p, 1080p/120p |
| Autofocus | Dual Pixel CMOS AF — fast, reliable, with Eye AF | Hybrid phase/contrast AF |
| Stabilisation | Optical IS — lens-based | Digital IS |
| Burst Rate | 20fps (with fixed AF/AE) | 20fps |
| Battery Life | ~235 shots (CIPA) | 340 shots (CIPA) |
| Weight | 304g | 253g |
| Dimensions | 105.5 × 60.9 × 41.4mm | 113.0 × 66.5 × 32.7mm |
| Weather Sealed | No | Yes |
| Viewfinder | None | None |
| Screen | 3.0" fully tilting touchscreen (180° flip for self-facing) | 3.0" fixed TFT LCD |
| Mount | Fixed 24-100mm equivalent f/1.8-2.8 lens | Fixed 25mm-equiv f/2.0 lens (4× optical zoom) |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I |
| 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 TG-7 |
|---|---|---|
| Vlogging & Video | — | |
| Travel | ||
| Street | ||
| Portrait | ||
| Landscape | — | |
| Sports | — | |
| Adventure & Outdoor | — | |
| Underwater | — | |
| Family & Everyday | — |
More comparisons with PowerShot G7X Mark III