Decision tools · Compare
G9 vs A1 II
Quick take: The A1 II has the highest resolution at 50MP; the G9 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.
Sony
A1 II 2024
Best for Professional sports, wildlife & high-resolution studio work
£5699
new today at Clifton Cameras
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Verdictwhich should you buy?
G9 — Wildlife, Sports, Travel: The G9 showed that Micro Four Thirds could compete for fast-action stills.
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
G9 (2017)
is the right camera for you if…
- Wildlife photographers who want fast burst and long telephoto reach at lower cost
- MFT system users who prioritise stills over video
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 | G9Lumix · 2017 | A1 IISony · 2024 |
|---|---|---|
| Price | £999Best | £5,699 |
| Sensor | Micro Four Thirds Live MOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 20.3MP | 50.1MPBest |
| Video | 4K 60fps, C4K 24fps | 8K/30p, 4K/120p 10-bit, S-Log3 |
| Autofocus | 225-point contrast-detect DFD | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | 5-axis IBIS, 6.5 stops (6.0 stops dual IS) | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 20fps mechanical, 60fps electronic | 30fps electronic (with full AF/AE), 10fps mechanicalBest |
| Battery Life | 400 shots (CIPA) | ~530 shots (CIPA)Best |
| Weight | 658g (body only)Best | 743g (body only) |
| Dimensions | 136.9 × 97.3 × 91.6mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF 0.83× 3.68M-dot | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.0" fully articulating touchscreen, 1.04M-dot | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | Micro Four Thirds | Sony E-mount (full-frame) |
| Memory Cards | 2× SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | Wi-Fi, Bluetooth 4.2, USB-C, HDMI full-size | 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.
How they score by genreengine base scores out of 10
Genre
G9
A1 II
Portrait
5.5/10
9.0/10
Street
5.3/10
6.6/10
Travel
5.2/10
6.4/10
Wedding & Events
5.5/10
8.7/10
Vlogging & Video
5.1/10
6.4/10
Filmmaking
5.8/10
8.2/10
Documentary
5.7/10
8.3/10
Sports & Action
6.2/10
9.3/10
Landscape
5.6/10
8.0/10
Wildlife
6.5/10
9.2/10
Casual
4.8/10
5.3/10
Food
6.1/10
8.5/10
Macro
7.4/10
8.1/10
Architecture
5.8/10
8.4/10
Astrophotography
5.0/10
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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