EOS R8vs Fujifilm GFX 100S IIvs A7S III

GearFrame · Updated March 2026

Canon EOS R8 Canon EOS R8 (2023) From £1099 Best for Full-frame entry View EOS R8
VS
Fujifilm Fujifilm GFX 100S II Fujifilm Fujifilm GFX 100S II (2024) From £4499 Best for Commercial, studio & landscape professionals View Fujifilm GFX 100S II
VS
Sony A7S III Sony A7S III (2020) From £2999 Best for Professional video & low-light filmmaking View A7S III

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.

Commercial, Studio & Landscape Professionals — Fujifilm GFX 100S II (2024): 102MP medium-format quality in the most accessible GFX body — the best entry point to the Fujifilm GFX system.

Professional Video & Low-Light Filmmaking — A7S III (2020): If video is your primary discipline, the A7S III is the camera. 4K/120p at 10-bit in a weather-sealed body with a 9.44M dot EVF is an extraordinary package. The 12MP sensor isn't limiting for video — and it's usable at ISO 409,600 in a pinch.

↓ Full specifications below

EOS R8 (2023)

  • You want full-frame image quality on a tight budget
  • You shoot mainly in good light and can live without built-in stabilisation
  • You primarily shoot stills with occasional video

Fujifilm GFX 100S II (2024)

  • You need the highest resolution available outside of a Phase One system
  • You shoot studio, fashion, landscape, or architecture at a professional level
  • You want medium format quality without the bulk of a traditional large-format system

A7S III (2020)

  • Filmmakers and videographers who need 4K/120p at 10-bit
  • Event videographers who shoot in dark venues regularly
  • Documentary filmmakers who need reliable AF and weather sealing
  • Hybrid shooters where video is primary and stills are secondary

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the eos r8 is the most affordable; only the fujifilm gfx 100s ii, a7s iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R8 (2023)Fujifilm GFX 100S II (2024)A7S III (2020)
Price £1,099 £4,499 £2,999
Sensor 24.2MP Full-frame BSI CMOS 102MP medium-format BSI CMOS (43.8 × 32.9mm) 12.1MP Full-Frame BSI CMOS (12-bit, back-illuminated)
Resolution 24.2MP 102.0MP 12.1MP
Video 4K/60p oversampled 10-bit, FHD/180p 4K/30p, 1080p/60p 4K/120p 10-bit, 4K/60p 10-bit S-Cinetone/S-Log3, 1080p/240p
Autofocus Dual Pixel CMOS AF II, 1053 zones, eye/face/subject tracking Phase-detect AF with subject/face/eye detection Phase-detect, 759 points, real-time Eye AF (human & animal), subject recognition
Stabilisation None (no IBIS) 8-stop IBIS 5.5-stop IBIS
Burst Rate 6fps mechanical, 40fps electronic 7fps 10fps mechanical
Battery Life ~220 shots (CIPA) 460 shots (CIPA) ~600 shots (CIPA) / ~70min continuous 4K recording
Weight 461g body only 883g body only 699g (body, battery, card)
Dimensions 132.5 × 86.1 × 70.0mm 150.0 × 104.2 × 87.2mm 128.9 × 96.9 × 80.8mm
Weather Sealed No Yes Yes
Viewfinder EVF, 2.36M dots, 0.59× 0.5" OLED EVF, 5.76M dots OLED EVF, 9.44M dots, 0.90× magnification — best EVF Sony has made
Screen 3.0" fully articulating touchscreen 3.2" tilting touchscreen 3.0" vari-angle touchscreen, 1.44M dots
Mount Canon RF mount (full-frame) Fujifilm GFX (G-mount) Sony E-mount
Memory Cards Single SD UHS-II slot Dual SD UHS-II Dual CFexpress Type A / SD UHS-II (both slots)
Connectivity USB-C, Bluetooth, Wi-Fi USB-C 3.2, Wi-Fi, Bluetooth USB-C (USB 3.2 Gen 2), full-size HDMI, Wi-Fi 6, Bluetooth
⚡ Compare specs side by side EOS R8 prices → Fujifilm GFX 100S II prices → A7S III prices →

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