PowerShot G7X Mark IIIvs Olympus OM-D E-M5 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
OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) Starting from £699 new Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 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.

Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.

↓ 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

Olympus OM-D E-M5 III (2019)

  • Travel photographers who want a compact, weather-sealed MFT body
  • Outdoor photographers upgrading from the E-M10 who want better sealing
  • Enthusiasts who want strong IBIS in a lightweight, portable system
  • Photographers who want a capable travel camera that won't weigh them down

Quick take: The olympus om-d e-m5 iii has the highest resolution at 20mp; the olympus om-d e-m5 iii is the most affordable; only the olympus om-d e-m5 iii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification PowerShot G7X Mark III (2019)Olympus OM-D E-M5 III (2019)
Price £749 £699
Sensor 20.1MP 1-inch BSI-CMOS 20.4MP Micro Four Thirds Live MOS
Resolution 20.1MP 20.4MP
Video 4K/30p, 1080p/120p — no crop in 4K 4K/30p, 1080p/120p
Autofocus Dual Pixel CMOS AF — fast, reliable, with Eye AF Hybrid phase/contrast AF with face/eye detection
Stabilisation Optical IS — lens-based 7.5-stop 5-axis IBIS
Burst Rate 20fps (with fixed AF/AE) 30fps electronic / 10fps mechanical
Battery Life ~235 shots (CIPA) 390 shots (CIPA)
Weight 304g 414g body only
Dimensions 105.5 × 60.9 × 41.4mm 125.3 × 85.2 × 49.7mm
Weather Sealed No Yes
Viewfinder None 0.35" OLED EVF, 2.36M dots
Screen 3.0" fully tilting touchscreen (180° flip for self-facing) 3.0" fully articulating touchscreen
Mount Fixed 24-100mm equivalent f/1.8-2.8 lens Micro Four Thirds
Memory Cards Single SD UHS-I slot Single SD UHS-I
Connectivity USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming Micro USB, Wi-Fi, Bluetooth
Genre PowerShot G7X Mark IIIOlympus OM-D E-M5 III
Vlogging & Video
9.0
7.0
Travel
9.0
9.0
Street
7.0
9.0
Portrait
7.0
7.0
Landscape
7.0
9.0
Sports
4.0
Sports & Action
7.0
⚡ Compare specs side by side PowerShot G7X Mark III prices → Olympus OM-D E-M5 III prices →

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