Fujifilm GFX 100S IIvs OM-5vs A7 IV

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
OM System OM-5 OM System OM-5 (2022) From £899 Best for Outdoor & adventure View OM-5
VS
Sony A7 IV Sony A7 IV (2021) From £2299 Best for Portrait & wedding photography View A7 IV

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.

Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.

Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.

↓ 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

OM-5 (2022)

  • You need weather sealing and in-body stabilisation in a compact, lightweight body
  • You hike, travel, or shoot outdoors and want serious protection without the weight penalty
  • You're in the MFT ecosystem and want a step up in capability from entry-level bodies

A7 IV (2021)

  • You want a high-resolution full-frame all-rounder for portraits, weddings, or travel
  • You're stepping up from APS-C or a DSLR and want the best all-round full-frame body under £3,000
  • You shoot a mix of stills and video and need a single body that handles both seriously
  • You want access to the widest lens ecosystem in the mirrorless market

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the om-5 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)OM-5 (2022)A7 IV (2021)
Price £4,499 £899 £2,299
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 20.4MP Micro Four Thirds Live MOS 33MP Full-frame BSI Exmor R CMOS
Resolution 102.0MP 20.4MP 33.0MP
Video 4K/30p, 1080p/60p 4K/60p, 4K/120p Cinema4K 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect, 121 all-cross points, subject tracking 759-point phase-detect, AI subject recognition
Stabilisation 8-stop IBIS 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) 5-axis IBIS, 5.5 stops
Burst Rate 7fps 30fps electronic, 10fps mechanical 10fps mechanical, 30fps electronic
Battery Life 460 shots (CIPA) ~370 shots (CIPA) ~580 shots (CIPA)
Weight 883g body only 414g body only 659g body only
Dimensions 150.0 × 104.2 × 87.2mm 122.3 × 87.6 × 49.7mm 131.3 × 96.4 × 79.8mm
Weather Sealed Yes Yes Yes
Viewfinder 0.5" OLED EVF, 5.76M dots EVF, 2.36M dots, 0.74× magnification EVF, 3.69M dots, 0.78× magnification
Screen 3.2" tilting touchscreen 3.0" fully articulating touchscreen 3.0" vari-angle touchscreen
Mount Fujifilm GFX (G-mount) Micro Four Thirds Sony FE (full-frame E-mount)
Memory Cards Dual SD UHS-II Dual SD UHS-II slots Dual slots: CFexpress Type A + SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi USB-C (3.2 Gen 2), Bluetooth, Wi-Fi
⚡ Compare specs side by side Fujifilm GFX 100S II prices → OM-5 prices → A7 IV prices →

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