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S1R II vs A9 II

Quick take: The S1R II has the highest resolution at 44MP; the S1R II is the most affordable.

16 specs side by side·15 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?

A9 II — Professional Sports, Wildlife & Photojournalism: The A9 II polished the A9's groundbreaking formula — 20fps blackout-free, improved subject tracking, and a LAN port made it the professional sports standard.

Who should buy what
A9 II (2019)
is the right camera for you if…
  • Sports photographers who need 20fps with reliable eye and body tracking
  • Photojournalists who need LAN transfer and instant wireless file delivery
  • Wildlife photographers who want the fastest Sony AF in a proven body
  • A9 owners who need the improved ergonomics, weather sealing, and Ethernet
Full specificationsthe better value in each row is highlighted
Specification S1R IILumix · 2025A9 IISony · 2019
Price £2,699Best£3,299
Sensor 44.3MP full-frame BSI CMOS24.2MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 44.3MPBest24.2MP
Video 8K/30p (first for Lumix), 4K/120p (1.1x crop), 10-bit4K/30p, 1080p/120p
Autofocus Phase-hybrid AF (779 points) with AI subject detection693 phase-detect + 425 contrast-detect, real-time eye/body tracking
Stabilisation 8-stop IBIS with Dual I.S. 2IBIS — 5-axis, up to 5.5 stops
Burst Rate 40fps electronicBest20fps (blackout-free with full AF/AE)
Battery Life 350 shots (CIPA, LCD)~500 shots (CIPA)Best
Weight 820g (with battery and card)678g (with battery and card)Best
Dimensions —128.9 × 96.4 × 77.5mm
Weather Sealed YesYes
Viewfinder EVF, 5.76M dotsEVF, OLED 3.69M dots, 0.78× magnification
Screen Fully articulating touchscreen3.0" tilting touchscreen
Mount L-mountSony FE (full-frame E-mount)
Memory Cards CFexpress Type B + SD (UHS-II)Dual SD UHS-II slots
Connectivity USB-C, full-size HDMI, Wi-Fi, BluetoothUSB-C, Wi-Fi 5GHz, Bluetooth, Ethernet (LAN), 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
S1R II
A9 II
Portrait
8.8/10
7.6/10
Street
6.3/10
6.1/10
Travel
6.2/10
6.1/10
Wedding & Events
8.4/10
7.5/10
Vlogging & Video
6.1/10
—
Filmmaking
7.7/10
6.7/10
Documentary
7.9/10
6.9/10
Sports & Action
8.3/10
8.3/10
Landscape
7.7/10
6.1/10
Wildlife
8.3/10
8.2/10
Casual
5.2/10
4.7/10
Food
8.3/10
6.8/10
Macro
8.8/10
5.9/10
Architecture
8.1/10
6.1/10
Astrophotography
7.1/10
7.2/10

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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