Lumix S5 IIXvs A7R III
Lumix
Lumix S5 IIX (2023)
Starting from £2399 new
Best for Professional video, filmmaking & hybrid shooters on L-mount
View Lumix S5 IIX
Sony
A7R III (2017)
Starting from £1799 new
Best for Landscape, studio & commercial photography
View A7R III
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.
Landscape, Studio & Commercial Photography — A7R III (2017): The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.
Who should buy what
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
A7R III (2017)
- Landscape and studio photographers who need 42MP resolution at a used-price discount vs A7R IV
- Canon/Nikon DSLR professionals considering a mirrorless switch at a lower investment
- Commercial and product photographers who want full-frame resolution with IBIS for handheld work
- Portrait photographers who want the sharpest possible full-frame files for large print work
Quick take: The a7r iii has the highest resolution at 42mp; the a7r iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Lumix S5 IIX (2023) | A7R III (2017) |
|---|---|---|
| Price | £2,399 | £1,799 |
| Sensor | 24.2MP full-frame CMOS | 42.4MP full-frame BSI Exmor R CMOS |
| Resolution | 24.2MP | 42.4MP |
| Video | 6K/30p Open Gate, 4K/60p 10-bit, ProRes RAW via HDMI — V-Log, LUT support | 4K/30p (full-frame readout), 1080p/120p |
| Autofocus | Phase-hybrid AF — improved over S5 with subject recognition | 399 phase-detect + 425 contrast AF points — real-time Eye AF |
| Stabilisation | 5-axis IBIS — 6.5 stops | 5-axis IBIS — 5.5 stops |
| Burst Rate | 9fps mechanical, 30fps electronic (6MP crop) | 10fps with AF/AE tracking |
| Battery Life | ~370 shots (CIPA) | ~650 shots (CIPA) |
| Weight | 740g body only | 650g body only |
| Dimensions | 134.3 × 102.3 × 90.1mm | 126.9 × 95.6 × 73.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OLED EVF, 3.68M-dot, 0.78× | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" fully articulating touchscreen, 1.84M dots | 3.0" touchscreen, tilting |
| Mount | L-mount (Leica/Panasonic/Sigma) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II slots | Dual SD slots (one UHS-II) |
| Connectivity | USB-C with power delivery, 3.5mm mic & headphone jacks, HDMI full-size | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack |
Suitability by genre
| Genre | Lumix S5 IIX | A7R III |
|---|---|---|
| Vlogging & Video | ||
| Portrait | ||
| Landscape | ||
| Travel | — | |
| Sports | ||
| Street | ||
| Wedding | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with Lumix S5 IIX
Camera family history