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EOS Mvs EOS M3vs EOS R8

GearFrame · Updated March 2026

Canon EOS M Canon EOS M (2012) Starting from £80 new Best for Canon mirrorless history & EF-M collectors View EOS M
VS
Canon EOS M3 Canon EOS M3 (2015) Starting from £150 new Best for Casual & Everyday View EOS M3
VS
Canon EOS R8 Canon EOS R8 (2023) Starting from £1099 new Best for Full-frame entry View EOS R8

GearScore™ Verdict — Which should you buy?

Canon Mirrorless History & Ef-M Collectors — EOS M (2012): Canon's first mirrorless — a historic body that broke new ground with touch-AF and EF-M, but its sluggish contrast-detect system quickly became its Achilles heel.

Casual & Everyday — EOS M3 (2015): The EOS M3 was a meaningful upgrade over the original EOS M — bringing 24MP, a tilting touchscreen, and improved Hybrid CMOS AF III. Video tops out at 1080p/30p and burst shooting is modest, but for stills photographers wanting affordable APS-C quality, the M3 is a competent used-market option.

Full-Frame Entry — EOS R8 (2023): Canon's most affordable full-frame mirrorless — 4K/60p 10-bit and class-leading Dual Pixel AF at an accessible entry price.

↓ Full specifications below

EOS M (2012)

  • Canon shooters who want the camera that started Canon's mirrorless story
  • Budget first-time mirrorless buyers who already own EF/EF-S glass
  • Collectors of significant digital camera milestones

EOS M3 (2015)

  • Photographers who want affordable 24MP APS-C quality on a budget
  • Casual shooters who want a compact EF-M camera with a tilting screen
  • Users looking for an affordable entry into the Canon EF-M ecosystem
  • Used-market buyers wanting a capable but inexpensive mirrorless

EOS R8 (2023)

  • Photographers wanting full-frame image quality at the lowest RF price
  • EOS RP owners upgrading to better autofocus and modern video specs
  • Beginners who want to start on full-frame without overspending
  • Travel photographers who want a lightweight full-frame RF body

Quick take: The eos m3 has the highest resolution at 24mp; the eos m is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification EOS M (2012)EOS M3 (2015)EOS R8 (2023)
Price £80 £150 £1,099
Sensor 18MP APS-C CMOS 24.2MP APS-C CMOS 24.2MP Full-frame BSI CMOS
Resolution 18.0MP 24.2MP 24.2MP
Video 1080p 30fps 1080p/30p 4K/60p oversampled 10-bit, FHD/180p
Autofocus Contrast-detect AF only — notoriously slow Hybrid CMOS AF III (phase-detect + contrast-detect) Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking
Stabilisation None (no IBIS)
Burst Rate 4fps 4.2fps 6fps mechanical, 40fps electronic
Battery Life ~230 shots (CIPA) ~250 shots (CIPA) ~220 shots (CIPA)
Weight 262g (body only) 366g (body only) 461g body only
Dimensions 108.6 × 66.5 × 32.3mm 110.9 × 68.0 × 44.4mm 132.5 × 86.1 × 70.0mm
Weather Sealed No No No
Viewfinder None (optional EVF accessory) None (optional EVF-DC1 accessory) EVF, 2.36M dots, 0.59×
Screen 3.0" fixed touchscreen, 1.04M dots 3.0" tilting touchscreen, 1.04M dots 3.0" fully articulating touchscreen
Mount Canon EF-M mount Canon EF-M mount Canon RF mount (full-frame)
Memory Cards 1× SD/SDHC/SDXC Single SD UHS-I slot Single SD UHS-II slot
Connectivity USB 2.0 USB, Wi-Fi, NFC USB-C, Bluetooth, Wi-Fi
Genre EOS MEOS M3EOS R8
Casual
7.0
8.0
Travel
6.0
7.5
Street
6.0
7.0
9.0
Portrait
6.0
7.5
9.0
Vlogging & Video
5.0
4.5
9.0
Sports & Action
4.0
4.0
Wedding & Events
7.0
Landscape
7.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side EOS M prices → EOS M3 prices → EOS R8 prices →

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