Fujifilm GFX 100S IIvs X-S20vs OM System OM-1 Mark II

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-S20 Fujifilm X-S20 (2023) From £849 Best for Hybrid photo & video View X-S20
VS
OM System OM System OM-1 Mark II OM System OM System OM-1 Mark II (2024) From £1999 Best for Wildlife, birds & outdoor sports View OM System OM-1 Mark II

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.

Hybrid Photo & Video — X-S20 (2023): Fujifilm's most accessible X-series body — 7-stop IBIS, 6K video, 20 film simulations, and a user-friendly layout.

Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.

↓ 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-S20 (2023)

  • You primarily create video content and want a capable but compact Fujifilm
  • You're a vlogger, travel creator, or documentary shooter
  • You want Fujifilm film simulations with strong, reliable video specs

OM System OM-1 Mark II (2024)

  • You shoot wildlife, birds in flight, or fast-moving action where tracking accuracy is critical
  • You need extreme weather sealing for shooting in rain, dust, mud, or freezing cold
  • You're invested in the MFT ecosystem and want the absolute best body available

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the x-s20 is the most affordable; only the fujifilm gfx 100s ii, om system om-1 mark ii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)X-S20 (2023)OM System OM-1 Mark II (2024)
Price £4,499 £849 £1,999
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 26.1MP APS-C X-Trans CMOS 4 20MP Micro Four Thirds Live MOS
Resolution 102.0MP 26.1MP 20.0MP
Video 4K/30p, 1080p/60p 6.2K/30p, 4K/60p, F-Log2, 10-bit 4K/60p, 1080p/240p, 4K HLG
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect, 425 points, subject tracking AI subject detection AF (birds, animals, motorsport)
Stabilisation 8-stop IBIS 5-axis IBIS, 7.0 stops 8.5-stop IBIS
Burst Rate 7fps 8fps mechanical, 20fps electronic 120fps with AF tracking
Battery Life 460 shots (CIPA) ~750 shots (CIPA) 520 shots (CIPA)
Weight 883g body only 491g body only 599g body only
Dimensions 150.0 × 104.2 × 87.2mm 126.0 × 85.1 × 65.4mm 134.8 × 91.6 × 72.7mm
Weather Sealed Yes No Yes
Viewfinder 0.5" OLED EVF, 5.76M dots EVF, 2.36M dots, 0.62× magnification 0.83" OLED EVF, 5.76M dots, 120fps
Screen 3.2" tilting touchscreen 3.0" fully articulating touchscreen 3.0" fully articulating touchscreen
Mount Fujifilm GFX (G-mount) Fujifilm X-mount Micro Four Thirds
Memory Cards Dual SD UHS-II Single SD UHS-I slot Dual SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C 3.2, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Fujifilm GFX 100S II prices → X-S20 prices → OM System OM-1 Mark II prices →

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