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PowerShot G7X Mark IIIvs A7

GearFrame · Updated March 2026

Canon PowerShot G7X Mark III Canon PowerShot G7X Mark III (2019) Starting from £749 new Best for Vlogging, content creation & travel video View PowerShot G7X Mark III
VS
Sony A7 Sony A7 (2013) Starting from £299 new Best for Camera history & full-frame introduction View A7

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.

↓ Full specifications below

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
Genre PowerShot G7X Mark IIIA7
Vlogging & Video
9.0
4.0
Travel
9.0
7.0
Street
7.0
7.0
Portrait
7.0
9.0
Landscape
7.0
9.0
Sports
4.0
Sports & Action
4.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side PowerShot G7X Mark III prices → A7 prices →

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