Fujifilm GFX 100S IIvs Fujifilm X-T4vs 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 Fujifilm X-T4 Fujifilm Fujifilm X-T4 (2020) From £999 Best for Hybrid shooters & enthusiasts View Fujifilm X-T4
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 Shooters & Enthusiasts — Fujifilm X-T4 (2020): The X-T series reached hybrid maturity with the X-T4 — IBIS, 4K/60p, and Fujifilm colour science in the most complete X-T package.

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

Fujifilm X-T4 (2020)

  • You want a capable hybrid camera for both stills and video shooting
  • You're considering a mirrorless upgrade from a DSLR
  • Note: the X-T5 offers better resolution for stills — consider it if video is secondary

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 fujifilm x-t4 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)Fujifilm X-T4 (2020)OM System OM-1 Mark II (2024)
Price £4,499 £999 £1,999
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 26.1MP APS-C X-Trans CMOS IV 20MP Micro Four Thirds Live MOS
Resolution 102.0MP 26.1MP 20.0MP
Video 4K/30p, 1080p/60p 4K/60p, 1080p/240p, F-Log 4K/60p, 1080p/240p, 4K HLG
Autofocus Phase-detect AF with subject/face/eye detection Hybrid phase/contrast AF with face/eye detection AI subject detection AF (birds, animals, motorsport)
Stabilisation 8-stop IBIS 6.5-stop IBIS 8.5-stop IBIS
Burst Rate 7fps 15fps mechanical / 30fps electronic 120fps with AF tracking
Battery Life 460 shots (CIPA) 600 shots (CIPA) 520 shots (CIPA)
Weight 883g body only 607g body only 599g body only
Dimensions 150.0 × 104.2 × 87.2mm 134.6 × 92.8 × 63.8mm 134.8 × 91.6 × 72.7mm
Weather Sealed Yes Yes Yes
Viewfinder 0.5" OLED EVF, 5.76M dots 0.5" OLED EVF, 3.69M dots, 100fps 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 Dual SD UHS-I Dual SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Fujifilm GFX 100S II prices → Fujifilm X-T4 prices → OM System OM-1 Mark II prices →

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