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GFX 100vs A7R II

GearFrame · Updated March 2026

Fujifilm GFX 100 Fujifilm GFX 100 (2019) Starting from £4999 new Best for Commercial, studio & landscape photography View GFX 100
VS
Sony A7R II Sony A7R II (2015) Starting from £799 new Best for Portrait, landscape & studio photography View A7R II

GearScore™ Verdict — Which should you buy?

Commercial, Studio & Landscape Photography — GFX 100 (2019): The world's first 100MP mirrorless with IBIS and phase-detect AF — the GFX 100 was a landmark in medium format, but its size and weight are professional-grade.

Portrait, Landscape & Studio Photography — A7R II (2015): The A7R II transformed the A7R series — adding IBIS, 4K video, BSI sensor tech, and phase-detect AF in one generation. A landmark Sony camera.

↓ Full specifications below

GFX 100 (2019)

  • Commercial and advertising photographers who need extraordinary resolution
  • Landscape photographers willing to carry a large body for maximum detail
  • GFX system users who want the original 100MP body at a lower cost than GFX 100S
  • Studio photographers who want the finest image quality the GFX system can offer

A7R II (2015)

  • Landscape and architecture photographers who want 42MP with IBIS for handheld shooting
  • Portrait and studio photographers who need high resolution with improved AF reliability
  • Sony FE system users who want a capable high-resolution body at a used price
  • A7R I owners who need the stabilisation, 4K, and improved AF the original lacked

Quick take: The gfx 100 has the highest resolution at 102mp; the a7r ii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification GFX 100 (2019)A7R II (2015)
Price £4,999 £799
Sensor 102MP Medium Format BSI CMOS (43.8 × 32.9mm) 42.4MP Full-Frame BSI CMOS Exmor R
Resolution 102.0MP 42.4MP
Video 4K/30p, FHD/120p; F-Log support 4K/30p (S35 or full-frame), 1080p/120p
Autofocus Phase-detect hybrid AF (first GFX with phase-detect), face/eye detection 399 phase-detect + 25 contrast-detect AF points, face detection
Stabilisation IBIS — up to 5.5 stops IBIS — 5-axis, up to 4.5 stops (first A7R with IBIS)
Burst Rate 5fps 5fps
Battery Life ~800 shots (CIPA, dual NP-T125 batteries in integrated grip) ~290 shots (CIPA)
Weight 1,400g (with battery and card) 625g (with battery and card)
Dimensions 156.2 × 163.6 × 102.9mm 126.9 × 95.7 × 60.3mm
Weather Sealed Yes Yes
Viewfinder EVF, 5.76M dots, 0.77× magnification EVF, OLED 2.36M dots, 0.78× magnification
Screen 3.2" fully articulating touchscreen 3.0" tilting LCD, 1.23M dots (no touch)
Mount Fujifilm GFX (G-mount) Sony FE (full-frame E-mount)
Memory Cards Dual SD UHS-II slots Single SD UHS-I slot
Connectivity USB-C, Wi-Fi, Bluetooth, 3.5mm mic, headphone jack, HDMI USB, Wi-Fi, NFC
Genre GFX 100A7R II
Portrait
9.0
9.0
Landscape
9.0
9.0
Architecture
9.0
9.0
Travel
4.0
7.0
Sports & Action
4.0
4.0
Vlogging & Video
4.0
7.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side GFX 100 prices → A7R II prices →

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