PowerShot G7X Mark IIIvs Sony A9 III
Canon
PowerShot G7X Mark III (2019)
Starting from £749 new
Best for Vlogging, content creation & travel video
View PowerShot G7X Mark III
Sony
Sony A9 III (2023)
Starting from £5999 new
Best for Sports & action professionals
View Sony A9 III
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.
Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.
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
Sony A9 III (2023)
- Professional sports photographers who need zero blackout and 120fps burst
- Wildlife photographers who demand the most advanced Sony AF available
- Photojournalists who need flash sync at any shutter speed
- A9 II owners upgrading to the world's first full-frame global shutter
Quick take: The sony a9 iii has the highest resolution at 25mp; the powershot g7x mark iii is the most affordable; only the sony a9 iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | PowerShot G7X Mark III (2019) | Sony A9 III (2023) |
|---|---|---|
| Price | £749 | £5,999 |
| Sensor | 20.1MP 1-inch BSI-CMOS | 24.6MP full-frame Exmor RS CMOS (global shutter) |
| Resolution | 20.1MP | 24.6MP |
| Video | 4K/30p, 1080p/120p — no crop in 4K | 4K/120p, 4K/60p, 1080p/240p |
| Autofocus | Dual Pixel CMOS AF — fast, reliable, with Eye AF | AI subject recognition AF, 759-point phase-detect |
| Stabilisation | Optical IS — lens-based | 8-stop IBIS |
| Burst Rate | 20fps (with fixed AF/AE) | 120fps blackout-free electronic |
| Battery Life | ~235 shots (CIPA) | 530 shots (CIPA) |
| Weight | 304g | 703g body only |
| Dimensions | 105.5 × 60.9 × 41.4mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | No | Yes |
| Viewfinder | None | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.0" fully tilting touchscreen (180° flip for self-facing) | 3.2" fully articulating touchscreen |
| Mount | Fixed 24-100mm equivalent f/1.8-2.8 lens | Sony FE (E-mount) |
| Memory Cards | Single SD UHS-I slot | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
Suitability by genre
| Genre | PowerShot G7X Mark III | Sony A9 III |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Street | — | |
| Portrait | ||
| Landscape | — | |
| Sports | — | |
| Sports & Action | — | |
| Wildlife | — | |
| Wedding & Events | — |
More comparisons with PowerShot G7X Mark III