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Lumix S5 IIXvs FX3

GearFrame · Updated March 2026

Lumix Lumix S5 IIX Lumix Lumix S5 IIX (2023) Starting from £2399 new Best for Professional video, filmmaking & hybrid shooters on L-mount View Lumix S5 IIX
VS
Sony FX3 Sony FX3 (2021) Starting from £3799 new Best for Professional video, documentary & cinematic filmmaking View FX3

GearScore™ Verdict — Which should you buy?

Professional Video, Filmmaking & Hybrid Shooters On L-Mount — Lumix S5 IIX (2023): The S5 II with ProRes RAW and 6K Open Gate — the most serious L-mount video tool in a portable, weather-sealed body.

Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.

↓ Full specifications below

Lumix S5 IIX (2023)

  • Video professionals who need ProRes RAW output and 6K Open Gate in a portable L-mount body
  • L-mount filmmakers who want USB power for extended recording without battery changes
  • Hybrid shooters who need both 24MP stills quality and professional video specs in one camera
  • S5 II users who specifically need ProRes RAW support for their post-production workflow

FX3 (2021)

  • Professional videographers and filmmakers who need cinema-quality colour science in a compact body
  • Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
  • Sony A7S III owners who want a purpose-built video body alongside their stills camera
  • Gimbal and drone operators who need a compact full-frame cinema camera

Quick take: The lumix s5 iix has the highest resolution at 24mp; the lumix s5 iix is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Lumix S5 IIX (2023)FX3 (2021)
Price £2,399 £3,799
Sensor 24.2MP full-frame CMOS 12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 24.2MP 12.1MP
Video 6K/30p Open Gate, 4K/60p 10-bit, ProRes RAW via HDMI — V-Log, LUT support 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus Phase-hybrid AF — improved over S5 with subject recognition Real-time tracking with subject recognition (human, animal)
Stabilisation 5-axis IBIS — 6.5 stops 5-axis IBIS — 5 stops
Burst Rate 9fps mechanical, 30fps electronic (6MP crop) 10fps mechanical, 10fps electronic
Battery Life ~370 shots (CIPA) ~640 shots (CIPA)
Weight 740g body only 715g body only (with XLR handle)
Dimensions 134.3 × 102.3 × 90.1mm 129.7 × 78.0 × 84.5mm
Weather Sealed Yes Yes
Viewfinder OLED EVF, 3.68M-dot, 0.78× None — monitor/external EVF use only
Screen 3.0" fully articulating touchscreen, 1.84M dots 3.0" touchscreen, fully articulating
Mount L-mount (Leica/Panasonic/Sigma) Sony FE mount (full-frame E-mount)
Memory Cards Dual SD UHS-II slots Dual CFexpress Type A / SD UHS-II slots
Connectivity USB-C with power delivery, 3.5mm mic & headphone jacks, HDMI full-size USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi
Genre Lumix S5 IIXFX3
Vlogging & Video
9.0
9.0
Portrait
9.0
7.0
Landscape
9.0
Travel
7.0
4.0
Sports
7.0
Street
4.0
4.0
Low Light
9.0
Wedding
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 Lumix S5 IIX prices → FX3 prices →

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