Lumix G9vs A7R IV

GearFrame · Updated March 2026

Lumix Lumix G9 Lumix Lumix G9 (2017) Starting from £549 new Best for Wildlife, sports, travel View Lumix G9
VS
Sony A7R IV Sony A7R IV (2019) Starting from £2199 new Best for Landscape, studio, commercial View A7R IV

GearScore™ Verdict — Which should you buy?

Wildlife, Sports, Travel — Lumix G9 (2017): The G9 showed that Micro Four Thirds could compete for fast-action stills.

Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.

↓ Full specifications below

Lumix G9 (2017)

  • Wildlife photographers who want fast burst and long telephoto reach at lower cost
  • MFT system users who prioritise stills over video

A7R IV (2019)

  • Landscape photographers who print large
  • Studio shooters needing maximum detail

Quick take: The a7r iv has the highest resolution at 61mp; the lumix g9 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Lumix G9 (2017)A7R IV (2019)
Price £549 £2,199
Sensor Micro Four Thirds Live MOS Full-frame BSI Exmor R CMOS 35mm
Resolution 20.3MP 61.0MP
Video 4K 60fps, C4K 24fps 4K 30fps
Autofocus 225-point contrast-detect DFD 567-point phase-detect, real-time tracking
Stabilisation 5-axis IBIS, 6.5 stops (6.0 stops dual IS) 5-axis IBIS, 5.5 stops
Burst Rate 20fps mechanical, 60fps electronic 10fps
Battery Life 400 shots (CIPA) 670 shots (CIPA)
Weight 658g (body only) 665g (body only)
Dimensions 136.9 × 97.3 × 91.6mm 128.9 × 96.4 × 77.5mm
Weather Sealed Yes Yes
Viewfinder EVF 0.83× 3.68M-dot EVF 0.78× 5.76M-dot
Screen 3.0" fully articulating touchscreen, 1.04M-dot 3.0" tilting touchscreen, 1.44M-dot
Mount Micro Four Thirds Sony E-Mount
Memory Cards 2× SD UHS-II 2× SD UHS-II / CFexpress Type A
Connectivity Wi-Fi, Bluetooth 4.2, USB-C, HDMI full-size Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2
⚡ Compare specs side by side Lumix G9 prices → A7R IV prices →

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