PowerShot G7X Mark IIIvs A7
Canon
PowerShot G7X Mark III (2019)
Starting from £749 new
Best for Vlogging, content creation & travel video
View PowerShot G7X Mark 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.
Camera History & Full-Frame Introduction — A7 (2013): The camera that changed photography — the world's first compact full-frame mirrorless, the A7 launched a product family that redefined what was possible.
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
A7 (2013)
- Photographers interested in the camera that launched the full-frame mirrorless era
- Budget-conscious buyers who want to experience full-frame image quality at minimal cost
- Sony FE system users who want the original A7 for sentimental or historical value
- Those adapting vintage lenses who want full-frame with phase-detect AF at low cost
Quick take: The a7 has the highest resolution at 24mp; the a7 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | PowerShot G7X Mark III (2019) | A7 (2013) |
|---|---|---|
| Price | £749 | £299 |
| Sensor | 20.1MP 1-inch BSI-CMOS | 24.3MP Full-Frame CMOS |
| Resolution | 20.1MP | 24.3MP |
| Video | 4K/30p, 1080p/120p — no crop in 4K | 1080p/60p |
| Autofocus | Dual Pixel CMOS AF — fast, reliable, with Eye AF | 117 phase-detect + 25 contrast-detect AF points |
| Stabilisation | Optical IS — lens-based | None |
| Burst Rate | 20fps (with fixed AF/AE) | 5fps |
| Battery Life | ~235 shots (CIPA) | ~340 shots (CIPA) |
| Weight | 304g | 474g (with battery and card) |
| Dimensions | 105.5 × 60.9 × 41.4mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | No |
| Viewfinder | None | EVF, OLED 2.36M dots, 0.71× magnification |
| Screen | 3.0" fully tilting touchscreen (180° flip for self-facing) | 3.0" fixed LCD, 1.23M dots (no tilt, no touch) |
| Mount | Fixed 24-100mm equivalent f/1.8-2.8 lens | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming | USB, Wi-Fi, NFC |
Suitability by genre
| Genre | PowerShot G7X Mark III | A7 |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Street | ||
| Portrait | ||
| Landscape | ||
| Sports | — | |
| Sports & Action | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history