Decision tools · Compare

S9 vs A1

Quick take: The A1 has the highest resolution at 50MP; the S9 is the most affordable; only the A1 is weather sealed.

16 specs side by side·16 genres scored·UK prices from Wex Photo Video and Clifton Cameras

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

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 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

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 (2021)
is the right camera for you if…
  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything
Full specificationsthe better value in each row is highlighted
Specification S9Lumix · 2024A1Sony · 2021
Price £999Best£4,199
Sensor 24.2MP Full-Frame CMOS50.1MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 24.2MP50.1MPBest
Video 4K/60p (10-bit), C4K/60p, 1080p/240p8K/30p, 4K/120p, 1080p/240p
Autofocus Phase-hybrid AF with subject recognitionReal-time Tracking, AI subject recognition — 759 phase-detect points
Stabilisation IBIS — up to 5 stopsIBIS — up to 5.5 stops
Burst Rate 30fps electronic30fps electronic with full AF/AE
Battery Life ~310 shots (CIPA)~430 shots (CIPA)Best
Weight 403g (body only)Best737g (with battery and card)
Dimensions 124.6 × 73.9 × 52.8mm128.9 × 96.9 × 80.8mm
Weather Sealed Not weather sealedYesBest
Viewfinder None — rear screen onlyEVF, 9.44M dots, 0.90× magnification, 240fps
Screen 3.0" fully articulating touchscreen (touch drag AF)3.0" fully tilting touchscreen
Mount Leica L mountSony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-II slotDual CFexpress Type A / SD UHS-II
Connectivity USB-C, Wi-Fi, BluetoothUSB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI

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
Portrait
7.3/10
8.2/10
Street
6.9/10
6.1/10
Travel
6.4/10
6.0/10
Wedding & Events
6.0/10
7.9/10
Vlogging & Video
7.3/10
—
Filmmaking
7.0/10
7.8/10
Documentary
6.9/10
7.6/10
Sports & Action
6.4/10
8.8/10
Landscape
6.5/10
7.6/10
Wildlife
6.7/10
8.7/10
Casual
6.3/10
4.8/10
Food
7.6/10
7.4/10
Macro
8.1/10
7.3/10
Architecture
7.1/10
7.9/10
Astrophotography
7.6/10
6.8/10
Fun & simple
4.2/10
—

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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