Decision tools · Compare

S9 vs A1 II

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

  • Cheaper new: £999 vs £5,699
  • Weight: 403g (body only)
  • Vlogging & Video: 7.0 vs 6.4
  • Casual: 6.3 vs 5.3

Where the A1 II wins

  • Resolution: 50.1MP
  • Battery Life: ~530 shots (CIPA)
  • Weather Sealed: Yes
  • Portrait: 9.0 vs 7.3
  • Wedding & Events: 8.7 vs 6.0

16 specs side by side·16 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.

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
0 25 50 75 100 125 A1 II 136 mm 97 mm S9 125 mm 74 mm
  • S9 125 × 74 × 53 mm · 486 g
  • A1 II 136 × 97 × 83 mm · 743 g

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.

Verdictwhich should you buy?

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.

Who should buy what
S9 (2024)
is the right camera for you if…
  • Travel photographers who want full-frame quality in the most compact package
  • Content creators attracted to Real-time LUT and 10-bit video
  • Photographers already in the L-mount ecosystem wanting a lightweight second body
  • Lumix S5 II users who want something smaller for travel and casual shooting
A1 II (2024)
is the right camera for you if…
  • Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
  • Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
  • Photojournalists who need a single body capable of handling every assignment
  • Sony system shooters ready to invest in the absolute best
Full specificationsthe better value in each row is highlighted
Specification S9Lumix · 2024A1 IISony · 2024
Price £999Best£5,699
Sensor 24.2MP Full-Frame CMOS50.1MP full-frame stacked BSI CMOS
Resolution 24.2MP50.1MPBest
Video 4K/60p (10-bit), C4K/60p, 1080p/240p8K/30p, 4K/120p 10-bit, S-Log3
Autofocus Phase-hybrid AF with subject recognitionAI subject recognition — human, animal, bird, insect, vehicle, aircraft, train
Stabilisation IBIS — up to 5 stops8.5-stop IBIS (with in-lens OSS)
Burst Rate 30fps electronic30fps electronic (with full AF/AE), 10fps mechanical
Battery Life ~310 shots (CIPA)~530 shots (CIPA)Best
Weight 403g (body only)Best743g (body only)
Dimensions 124.6 × 73.9 × 52.8mm136.1 × 96.9 × 82.9mm
Weather Sealed Not weather sealedYesBest
Viewfinder None — rear screen onlyEVF 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 mountSony E-mount (full-frame)
Memory Cards Single SD UHS-II slotDual CFexpress Type A / SD UHS-II slots
Connectivity USB-C, Wi-Fi, BluetoothUSB-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.

How they score by genreengine base scores out of 10
Genre
S9
A1 II
Portrait
7.3/10
9.0/10
Street
6.9/10
6.6/10
Travel
6.2/10
6.4/10
Wedding & Events
6.0/10
8.7/10
Vlogging & Video
7.0/10
6.4/10
Filmmaking
7.0/10
8.2/10
Documentary
6.9/10
8.3/10
Sports & Action
6.4/10
9.3/10
Landscape
6.5/10
8.0/10
Wildlife
6.7/10
9.2/10
Casual
6.3/10
5.3/10
Food
7.6/10
8.5/10
Macro
8.1/10
8.1/10
Architecture
7.1/10
8.4/10
Astrophotography
7.6/10
7.2/10
Fun & simple
4.7/10
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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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