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Upgrade Guide

Canon EOS R6 Mark IIICanon Canon EOS R3

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

EOS R6 Mark III
You own
Canon
EOS R6 Mark III
£2799
2025
View on GearFrame →
Canon EOS R3
Upgrade to
Canon
Canon EOS R3
£5999 (+£3,200)
2021
View on GearFrame →
⚖️
Situational
One clear hardware improvement over the EOS R6 Mark III. Worth it if that specific upgrade aligns with what you shoot.
What's new in the Canon EOS R3
Unchanged or similar
Suitability by genre
Genre EOS R6 Mark III Canon EOS R3
Sports & Action
9.5
9.0
-0.5
Wildlife
9.0
9.0
Vlogging & Video
9.0
7.0
-2.0
Portrait
8.0
Landscape
7.5
Travel
7.0
4.0
-3.0
Street
7.0
Casual
6.0
Photojournalism
9.0
Wedding & Events
7.0
Full spec comparison
Spec EOS R6 Mark III Canon EOS R3
Price £2,799 £5,999
Released 2025 2021
Sensor 32.5MP full-frame stacked CMOS 24.1MP full-frame BSI stacked CMOS
Resolution 32MP 24MP
Video 4K 60fps oversampled from 7K, 6K RAW internal 6K RAW, 4K/120p, 1080p/180p
Autofocus Dual Pixel CMOS AF II — deep-learning subject detection for people, animals and vehicles, up to 40fps tracking Dual Pixel CMOS AF II with Eye Control AF
Stabilisation In-body 5-axis IS, up to 8.5 stops 8-stop IBIS
Burst Rate 40fps (electronic shutter), 12fps (mechanical) 30fps electronic / 12fps mechanical
Battery Life ~580 shots (CIPA, LP-E6P) 620 shots (CIPA)
Weight 670g (body with battery and card) 1015g body only
Weather Sealed Yes Yes
Viewfinder EVF, 5.76M-dot, up to 120fps 0.76" OLED EVF, 5.76M dots, 120fps
Screen 3.2-inch vari-angle touchscreen, 2.1M-dot 3.2" fully articulating touchscreen
Mount Canon RF Canon RF
Memory Cards Dual SD / SDHC / SDXC (UHS-II) Dual CFexpress Type B
Compare side-by-side

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