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Canon EOS R3vs EOS R6vs PowerShot G7X Mark III

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) Starting from £5999 new Best for Sports & photojournalism professionals View Canon EOS R3
VS
Canon EOS R6 Canon EOS R6 (2020) Starting from £1299 new Best for Wedding, portrait, sports, video View EOS R6
VS
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

GearScore™ Verdict — Which should you buy?

Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.

Wedding, Portrait, Sports, Video — EOS R6 (2020): The camera that made Canon's RF system worth taking seriously.

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.

↓ Full specifications below

Canon EOS R3 (2021)

  • Professional sports and photojournalism photographers
  • Canon users who need the fastest burst and most reliable AF in the system
  • R5 users who want a pro-grade grip and faster shooting speed
  • Event photographers who need eye-controlled AF and dual card slots

EOS R6 (2020)

  • Canon DSLR shooters moving to mirrorless
  • Hybrid photographers who shoot both stills and video

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

Quick take: The canon eos r3 has the highest resolution at 24mp; the powershot g7x mark iii is the most affordable; only the canon eos r3, eos r6 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)EOS R6 (2020)PowerShot G7X Mark III (2019)
Price £5,999 £1,299 £749
Sensor 24.1MP full-frame BSI stacked CMOS Full-frame CMOS 35mm 20.1MP 1-inch BSI-CMOS
Resolution 24.1MP 20.1MP 20.1MP
Video 6K RAW, 4K/120p, 1080p/180p 4K 60fps (crop), 4K 30fps (full), 1080p 120fps 4K/30p, 1080p/120p — no crop in 4K
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, 6072 AF positions, subject tracking Dual Pixel CMOS AF — fast, reliable, with Eye AF
Stabilisation 8-stop IBIS 5-axis IBIS, up to 8 stops coordinated IS Optical IS — lens-based
Burst Rate 30fps electronic / 12fps mechanical 12fps mechanical, 20fps electronic 20fps (with fixed AF/AE)
Battery Life 620 shots (CIPA) 380 shots (LCD), 510 shots (EVF) ~235 shots (CIPA)
Weight 1015g body only 598g (body only) 304g
Dimensions 150.0 × 142.6 × 87.2mm 138.4 × 97.5 × 88.4mm 105.5 × 60.9 × 41.4mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF 0.76× 3.69M-dot None
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen, 1.62M-dot 3.0" fully tilting touchscreen (180° flip for self-facing)
Mount Canon RF Canon RF Fixed 24-100mm equivalent f/1.8-2.8 lens
Memory Cards Dual CFexpress Type B 2× SD UHS-II Single SD UHS-I slot
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1, HDMI USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack, USB live streaming
Genre Canon EOS R3EOS R6PowerShot G7X Mark III
Sports & Action
9.0
9.0
Wildlife
9.0
8.0
Photojournalism
9.0
Vlogging & Video
7.0
9.0
9.0
Wedding & Events
7.0
9.0
Travel
4.0
9.0
Portrait
9.0
7.0
Landscape
7.0
7.0
Street
7.0
7.0
Sports
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 Canon EOS R3 prices → EOS R6 prices → PowerShot G7X Mark III prices →

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