EOS R8vs FX3

GearFrame · Updated March 2026

Canon EOS R8 Canon EOS R8 (2023) Starting from £1099 new Best for Full-frame entry View EOS R8
VS
Sony FX3 Sony FX3 (2021) Starting from £3799 new Best for Professional video, documentary & cinematic filmmaking View FX3

GearScore™ Verdict — Which should you buy?

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.

Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.

↓ Full specifications below

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

FX3 (2021)

  • Professional videographers and filmmakers who need cinema-quality colour science in a compact body
  • Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
  • Sony A7S III owners who want a purpose-built video body alongside their stills camera
  • Gimbal and drone operators who need a compact full-frame cinema camera

Quick take: The eos r8 has the highest resolution at 24mp; the eos r8 is the most affordable; only the fx3 is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R8 (2023)FX3 (2021)
Price £1,099 £3,799
Sensor 24.2MP Full-frame BSI CMOS 12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 24.2MP 12.1MP
Video 4K/60p oversampled 10-bit, FHD/180p 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking Real-time tracking with subject recognition (human, animal)
Stabilisation None (no IBIS) 5-axis IBIS — 5 stops
Burst Rate 6fps mechanical, 40fps electronic 10fps mechanical, 10fps electronic
Battery Life ~220 shots (CIPA) ~640 shots (CIPA)
Weight 461g body only 715g body only (with XLR handle)
Dimensions 132.5 × 86.1 × 70.0mm 129.7 × 78.0 × 84.5mm
Weather Sealed No Yes
Viewfinder EVF, 2.36M dots, 0.59× None — monitor/external EVF use only
Screen 3.0" fully articulating touchscreen 3.0" touchscreen, fully articulating
Mount Canon RF mount (full-frame) Sony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-II slot Dual CFexpress Type A / SD UHS-II slots
Connectivity USB-C, Bluetooth, Wi-Fi USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi
Genre EOS R8FX3
Portrait
9.0
7.0
Vlogging & Video
9.0
9.0
Street
9.0
4.0
Wedding & Events
7.0
Landscape
7.0
Sports & Action
4.0
Low Light
9.0
Wedding
7.0
Travel
4.0
⚡ Compare specs side by side EOS R8 prices → FX3 prices →

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