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Quick take: The A1 II has the highest resolution at 50MP; the S9 is the most affordable; only the A1 II is weather sealed.
Where the S9 wins
Where the A1 II wins
16 specs side by side·16 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
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The S9 is 11 mm narrower, 23 mm shorter, 30 mm slimmer and 257 g lighter than the A1 II.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
S9 — Travel Photographers, Content Creators & L-Mount Entry Buyers: The most compact full-frame camera available — a perfect travel and content creation companion with brilliant colour science.
A1 II — Professional Sports, Wildlife & High-Resolution Studio Work: The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
| Specification | S9Lumix · 2024 | A1 IISony · 2024 |
|---|---|---|
| Price | £999Best | £5,699 |
| Sensor | 24.2MP Full-Frame CMOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 24.2MP | 50.1MPBest |
| Video | 4K/60p (10-bit), C4K/60p, 1080p/240p | 8K/30p, 4K/120p 10-bit, S-Log3 |
| Autofocus | Phase-hybrid AF with subject recognition | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | IBIS — up to 5 stops | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 30fps electronic | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | ~310 shots (CIPA) | ~530 shots (CIPA)Best |
| Weight | 403g (body only)Best | 743g (body only) |
| Dimensions | 124.6 × 73.9 × 52.8mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | None — rear screen only | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.0" fully articulating touchscreen (touch drag AF) | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Leica L mount | Sony E-mount (full-frame) |
| Memory Cards | Single SD UHS-II slot | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →