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EOS R3 vs IXUS 285 HS A

Quick take: The EOS R3 has the highest resolution at 24MP; the IXUS 285 HS A is the most affordable; only the EOS R3 is weather sealed.

16 specs side by side·16 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

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

Who should buy what
EOS R3 (2021)
is the right camera for you if…
  • 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
Full specificationsthe better value in each row is highlighted
Specification EOS R3Canon · 2021IXUS 285 HS ACanon · 2025
Price £4,999£369Best
Sensor 24.1MP full-frame BSI stacked CMOS20.2MP 1/2.3-inch BSI CMOS
Resolution 24.1MPBest20.2MP
Video 6K RAW, 4K/120p, 1080p/180p1080p/30p
Autofocus Dual Pixel CMOS AF II with Eye Control AFContrast-detect AF
Stabilisation 8-stop IBISIntelligent IS (lens-based)
Burst Rate 30fps electronic / 12fps mechanicalBest2fps
Battery Life 620 shots (CIPA)Best220 shots (CIPA, estimated)
Weight 1015g (body only)145g (estimated)Best
Dimensions 150.0 × 142.6 × 87.2mm—
Weather Sealed YesBestNot weather sealed
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fpsNone (screen only)
Screen 3.2" fully articulating touchscreenFixed screen, no touch
Mount Canon RFFixed 12x zoom lens (25-300mm equivalent)
Memory Cards Dual CFexpress Type BmicroSD (this 'A' revision only)
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LANUSB, Wi-Fi

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
EOS R3
IXUS 285 HS A
Portrait
8.1/10
2.7/10
Street
5.8/10
5.4/10
Travel
5.7/10
6.1/10
Wedding & Events
8.2/10
1.4/10
Vlogging & Video
5.4/10
—
Filmmaking
8.1/10
—
Documentary
7.8/10
2.9/10
Sports & Action
8.9/10
1.8/10
Landscape
6.3/10
3.3/10
Wildlife
8.7/10
2.7/10
Casual
4.6/10
5.5/10
Food
7.4/10
3.4/10
Macro
7.2/10
2.7/10
Architecture
6.5/10
3.1/10
Astrophotography
6.7/10
1.4/10
Fun & simple
—
6.4/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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