Fujifilm GFX 100S IIvs X-E4vs A7S III

GearFrame · Updated March 2026

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
Fujifilm X-E4 Fujifilm X-E4 (2021) From £699 Best for Compact street & travel photography View X-E4
VS
Sony A7S III Sony A7S III (2020) From £2999 Best for Professional video & low-light filmmaking View A7S III

Which should you buy?

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.

Compact Street & Travel Photography — X-E4 (2021): The X-E4 is for photographers who want the minimum camera that still delivers maximum image quality. If you love shooting from the rear screen and want the smallest possible X-mount body, this is your camera. If you need a viewfinder or IBIS, look at the X-S20 or X-T30 II.

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

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

X-E4 (2021)

  • Street photographers who prioritise portability and discretion
  • Travel photographers packing minimally
  • Fujifilm fans who shoot primarily from the rear screen
  • Anyone who wants the X-Trans sensor in the smallest possible body

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 x-e4 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 Fujifilm GFX 100S II (2024)X-E4 (2021)A7S III (2020)
Price £4,499 £699 £2,999
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 26.1MP APS-C X-Trans CMOS IV 12.1MP Full-Frame BSI CMOS (12-bit, back-illuminated)
Resolution 102.0MP 26.1MP 12.1MP
Video 4K/30p, 1080p/60p 4K/30p, 1080p/240p slow-motion, F-Log 4K/120p 10-bit, 4K/60p 10-bit S-Cinetone/S-Log3, 1080p/240p
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect, 425 points, face/Eye detection Phase-detect, 759 points, real-time Eye AF (human & animal), subject recognition
Stabilisation 8-stop IBIS None (no IBIS) 5.5-stop IBIS
Burst Rate 7fps 8fps mechanical, 20fps electronic 10fps mechanical
Battery Life 460 shots (CIPA) ~460 shots (CIPA) ~600 shots (CIPA) / ~70min continuous 4K recording
Weight 883g body only 364g (body only) 699g (body, battery, card)
Dimensions 150.0 × 104.2 × 87.2mm 121.3 × 72.9 × 32.7mm 128.9 × 96.9 × 80.8mm
Weather Sealed Yes No Yes
Viewfinder 0.5" OLED EVF, 5.76M dots None — rear screen only (EVF accessory available) OLED EVF, 9.44M dots, 0.90× magnification — best EVF Sony has made
Screen 3.2" tilting touchscreen 3.0" fixed touchscreen, 1.62M dots 3.0" vari-angle touchscreen, 1.44M dots
Mount Fujifilm GFX (G-mount) Fujifilm X-mount Sony E-mount
Memory Cards Dual SD UHS-II Single SD UHS-I Dual CFexpress Type A / SD UHS-II (both slots)
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi USB-C (USB 3.2 Gen 2), full-size HDMI, Wi-Fi 6, Bluetooth
⚡ Compare specs side by side Fujifilm GFX 100S II prices → X-E4 prices → A7S III prices →

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