Fujifilm GFX 100S IIvs A6400vs A7C

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
Sony A6400 Sony A6400 (2019) From £899 Best for Content creation & vlogging View A6400
VS
Sony A7C Sony A7C (2020) From £1299 Best for Compact travel & content creation View A7C

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.

Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.

Compact Travel & Content Creation — A7C (2020): The A7C proves full-frame doesn't have to be bulky. Excellent battery life, reliable Eye AF and a vari-angle screen in a pocketable body is a compelling combination for travel and content creators. The A7C II improved on it, but the original remains a strong value buy.

↓ 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

A6400 (2019)

  • Vloggers and content creators who need a flip screen and reliable AF
  • Photographers upgrading from a compact or smartphone
  • Beginners who want room to grow into a full E-mount lens ecosystem
  • Anyone prioritising autofocus performance at an accessible price

A7C (2020)

  • Travel photographers who want full-frame in the smallest possible body
  • Content creators who need a flip screen and reliable Eye AF
  • Photographers upgrading from APS-C who want to keep a compact kit
  • Vloggers who need 4K and great battery life on the road

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the a6400 is the most affordable; only the fujifilm gfx 100s ii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)A6400 (2019)A7C (2020)
Price £4,499 £899 £1,299
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 24.2MP APS-C Exmor CMOS BSI 24.2MP Full-Frame Exmor R BSI CMOS
Resolution 102.0MP 24.2MP 24.2MP
Video 4K/30p, 1080p/60p 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion 4K/30p (oversampled), 1080p/120p slow-motion, S-Log2/S-Log3
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect, 425 points, real-time Eye AF & animal AF Phase-detect, 693 points, real-time Eye AF & animal AF
Stabilisation 8-stop IBIS None (no IBIS) 5-axis IBIS, 5 stops
Burst Rate 7fps 11fps mechanical, 8fps with AF tracking 10fps with AF/AE tracking
Battery Life 460 shots (CIPA) ~410 shots (CIPA) ~740 shots (CIPA) — outstanding for a Sony mirrorless
Weight 883g body only 403g (body, battery, card) 509g (body, battery, card)
Dimensions 150.0 × 104.2 × 87.2mm 120.0 × 66.9 × 59.7mm 124.0 × 71.1 × 59.7mm
Weather Sealed Yes No No
Viewfinder 0.5" OLED EVF, 5.76M dots EVF, 2.36M dots, 0.70× magnification None built-in — use rear screen or accessory EVF
Screen 3.2" tilting touchscreen 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots 3.0" vari-angle touchscreen, 921k dots
Mount Fujifilm GFX (G-mount) Sony E-mount Sony E-mount
Memory Cards Dual SD UHS-II Single SD UHS-I Single SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth Micro-USB, Wi-Fi, Bluetooth, NFC USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth, NFC
⚡ Compare specs side by side Fujifilm GFX 100S II prices → A6400 prices → A7C prices →

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