Fujifilm GFX 100S IIvs X-A7vs Olympus OM-D E-M5 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-A7 Fujifilm X-A7 (2019) From £399 Best for Beginner Fujifilm View X-A7
VS
OM System Olympus OM-D E-M5 III OM System Olympus OM-D E-M5 III (2019) From £699 Best for Travel & lightweight outdoor photography View Olympus OM-D E-M5 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.

Beginner Fujifilm — X-A7 (2019): The most affordable X-mount entry — Fujifilm colour and film simulations with a large flip screen for beginners.

Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.

↓ 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-A7 (2019)

  • You want an affordable first mirrorless with decent video capabilities
  • You shoot a lot of selfie-style content or vlog on a budget
  • Note: no viewfinder and limited lens support — the X-T30 II is a better long-term investment

Olympus OM-D E-M5 III (2019)

  • You want a lightweight, sealed camera for travel and outdoor photography
  • You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
  • Note: consider the newer OM-5 for updated specs in a similar compact form factor

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the x-a7 is the most affordable; only the fujifilm gfx 100s ii, olympus om-d e-m5 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)X-A7 (2019)Olympus OM-D E-M5 III (2019)
Price £4,499 £399 £699
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 24.2MP APS-C CMOS (Bayer, not X-Trans) 20.4MP Micro Four Thirds Live MOS
Resolution 102.0MP 24.2MP 20.4MP
Video 4K/30p, 1080p/60p 4K/30p, 1080p/60p 4K/30p, 1080p/120p
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect + contrast, 425 points Hybrid phase/contrast AF with face/eye detection
Stabilisation 8-stop IBIS None (no IBIS) 7.5-stop 5-axis IBIS
Burst Rate 7fps 6fps 30fps electronic / 10fps mechanical
Battery Life 460 shots (CIPA) ~440 shots (CIPA) 390 shots (CIPA)
Weight 883g body only 320g body only 414g body only
Dimensions 150.0 × 104.2 × 87.2mm 118.0 × 80.6 × 55.2mm 125.3 × 85.2 × 49.7mm
Weather Sealed Yes No Yes
Viewfinder 0.5" OLED EVF, 5.76M dots None 0.35" OLED EVF, 2.36M dots
Screen 3.2" tilting touchscreen 3.5" 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 Single SD UHS-I
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB Micro-B, Bluetooth, Wi-Fi, micro HDMI Micro USB, Wi-Fi, Bluetooth
⚡ Compare specs side by side Fujifilm GFX 100S II prices → X-A7 prices → Olympus OM-D E-M5 III prices →

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