📷 Cameras 🔭 Lenses 🎒 Accessories 🏷 Brands
Upgrade Guide

Canon Canon EOS R3Canon EOS M100

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

Canon EOS R3
You own
Canon
Canon EOS R3
£5999
2021
View on GearFrame →
EOS M100
Upgrade to
Canon
EOS M100
£200 (-£5,799)
2017
View on GearFrame →
Skip it
The EOS M100 offers little measurable spec improvement over the Canon EOS R3. Spend the money on glass instead.
Unchanged or similar
Suitability by genre
Genre Canon EOS R3 EOS M100
Sports & Action
9.0
4.5
-4.5
Wildlife
9.0
Photojournalism
9.0
Vlogging & Video
7.0
7.0
Wedding & Events
7.0
Travel
4.0
8.0
+4.0
Casual
8.5
Portrait
7.5
Street
6.5
Full spec comparison
Spec Canon EOS R3 EOS M100
Price £5,999 £200
Released 2021 2017
Sensor 24.1MP full-frame BSI stacked CMOS 24.2MP APS-C CMOS (Dual Pixel)
Resolution 24MP 24MP
Video 6K RAW, 4K/120p, 1080p/180p 1080p/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF with face and subject detection
Stabilisation 8-stop IBIS
Burst Rate 30fps electronic / 12fps mechanical 6.1fps
Battery Life 620 shots (CIPA) ~295 shots (CIPA)
Weight 1015g body only 302g (with battery and card)
Weather Sealed Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps None
Screen 3.2" fully articulating touchscreen 3.0" tilting touchscreen, 1.04M dots
Mount Canon RF Canon EF-M mount
Memory Cards Dual CFexpress Type B Single SD UHS-I slot
Compare side-by-side

See Canon EOS R3 and EOS M100 next to each other with our interactive comparison tool.

⚖️ Compare these cameras
Get a personalised upgrade score

Tell us what you shoot and we'll score the EOS M100 against your specific genres — not just specs.

Run the upgrade checker →
Other upgrades from the Canon EOS R3
Related buying guides
Camera family history