PowerShot G7X Mark IIIvs Sony A9 III

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 Sony A9 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.

↓ 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

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
Genre PowerShot G7X Mark IIISony A9 III
Vlogging & Video
9.0
7.0
Travel
9.0
4.0
Street
7.0
Portrait
7.0
9.0
Landscape
7.0
Sports
4.0
Sports & Action
9.0
Wildlife
9.0
Wedding & Events
9.0
⚡ Compare specs side by side PowerShot G7X Mark III prices → Sony A9 III prices →

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