PowerShot G7X Mark IIIvs A7 IV

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 IV Sony A7 IV (2021) Starting from £2299 new Best for Portrait & wedding photography View A7 IV

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.

Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.

↓ 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 IV (2021)

  • Working photographers who want a reliable full-frame all-rounder
  • Portrait, wedding, and event photographers needing 33MP and fast AF
  • A7 III owners ready for a major upgrade in resolution, AF, and video
  • Hybrid shooters who want 4K/60p and 33MP stills in one dependable body

Quick take: The a7 iv has the highest resolution at 33mp; the powershot g7x mark iii is the most affordable; only the a7 iv is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification PowerShot G7X Mark III (2019)A7 IV (2021)
Price £749 £2,299
Sensor 20.1MP 1-inch BSI-CMOS 33MP Full-frame BSI Exmor R CMOS
Resolution 20.1MP 33.0MP
Video 4K/30p, 1080p/120p — no crop in 4K 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone
Autofocus Dual Pixel CMOS AF — fast, reliable, with Eye AF 759-point phase-detect, AI subject recognition
Stabilisation Optical IS — lens-based 5-axis IBIS, 5.5 stops
Burst Rate 20fps (with fixed AF/AE) 10fps mechanical, 30fps electronic
Battery Life ~235 shots (CIPA) ~580 shots (CIPA)
Weight 304g 659g body only
Dimensions 105.5 × 60.9 × 41.4mm 131.3 × 96.4 × 79.8mm
Weather Sealed No Yes
Viewfinder None EVF, 3.69M dots, 0.78× magnification
Screen 3.0" fully tilting touchscreen (180° flip for self-facing) 3.0" vari-angle touchscreen
Mount Fixed 24-100mm equivalent f/1.8-2.8 lens Sony FE (full-frame E-mount)
Memory Cards Single SD UHS-I slot Dual slots: CFexpress Type A + SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming USB-C (3.2 Gen 2), Bluetooth, Wi-Fi
Genre PowerShot G7X Mark IIIA7 IV
Vlogging & Video
9.0
9.0
Travel
9.0
Street
7.0
Portrait
7.0
Landscape
7.0
9.0
Sports
4.0
Studio Portraits
9.0
Outdoor Portraits
9.0
Wedding & Events
9.0
Sports & Action
7.0
⚡ Compare specs side by side PowerShot G7X Mark III prices → A7 IV prices →

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