Lumix
S5 IIX 2023
Best for Professional video, filmmaking & hybrid shooters on L-mount
£1599
new today at Wex Photo Video
Decision tools · Compare
S5 IIX vs FX3
Quick take: The S5 IIX has the highest resolution at 24MP; the S5 IIX is the most affordable.
Where the S5 IIX wins
- Cheaper new: £1,599 vs £2,999
- Resolution: 24.2MP
- Portrait: 8.2 vs 5.7
- Street: 6.3 vs 4.3
- Travel: 6.0 vs 5.5
Where the FX3 wins
- Burst Rate: 10fps mechanical, 10fps electronic
- Battery Life: ~640 shots (CIPA)
- Weight: 715g (body only)
- Filmmaking: 9.1 vs 8.2
16 specs side by side·15 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
FX3 2021
Best for Professional video, documentary & cinematic filmmaking
£2999
new today at Wex Photo Video
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Size comparedbody only, no lens · drawn to one scale
- S5 IIX 134 × 102 × 90 mm · 740 g
- FX3 130 × 78 × 84 mm · 715 g
The FX3 is 4 mm narrower, 24 mm shorter, 6 mm slimmer and 25 g lighter than the S5 IIX.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
Verdictwhich should you buy?
S5 IIX — Professional Video, Filmmaking & Hybrid Shooters On L-Mount: The S5 II with ProRes RAW and 6K Open Gate — the most serious L-mount video tool in a portable, weather-sealed body.
FX3 — Professional Video, Documentary & Cinematic Filmmaking: The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
S5 IIX (2023)
is the right camera for you if…
- 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)
is the right camera for you if…
- 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
Full specificationsthe better value in each row is highlighted
| Specification | S5 IIXLumix · 2023 | FX3Sony · 2021 |
|---|---|---|
| Price | £1,599Best | £2,999 |
| Sensor | 24.2MP full-frame CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 24.2MPBest | 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 electronicBest |
| Battery Life | ~370 shots (CIPA) | ~640 shots (CIPA)Best |
| Weight | 740g (body only) | 715g (body only)Best |
| 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 |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
S5 IIX
FX3
Portrait
8.2/10
5.7/10
Street
6.3/10
4.3/10
Travel
6.0/10
5.5/10
Wedding & Events
7.9/10
6.0/10
Vlogging & Video
6.6/10
6.1/10
Filmmaking
8.2/10
9.1/10
Documentary
7.9/10
8.0/10
Sports & Action
8.0/10
5.5/10
Landscape
6.9/10
4.7/10
Wildlife
7.9/10
5.8/10
Casual
5.4/10
4.9/10
Food
7.5/10
6.7/10
Macro
8.1/10
5.5/10
Architecture
7.2/10
5.2/10
Astrophotography
7.3/10
6.7/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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