Sony
A1 2021
Best for Professional sport, wildlife, portrait & hybrid shooting
£4199
new today at Wex Photo Video
Decision tools · Compare
A1 vs RX100 III
Quick take: The A1 has the highest resolution at 50MP; the RX100 III is the most affordable; only the A1 is weather sealed.
16 specs side by side·14 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?
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
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 | A1Sony · 2021 | RX100 IIISony · 2014 |
|---|---|---|
| Price | £4,199 | £275 usedBest |
| Sensor | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS | 20.1MP 1-inch CMOS |
| Resolution | 50.1MPBest | 20.1MP |
| Video | 8K/30p, 4K/120p, 1080p/240p | Full HD 1080p/60 (XAVC S) |
| Autofocus | Real-time Tracking, AI subject recognition — 759 phase-detect points | 25-point contrast-detect AF, Eye AF, Lock-on AF |
| Stabilisation | IBIS — up to 5.5 stops | Optical SteadyShot (in the lens), no IBIS |
| Burst Rate | 30fps electronic with full AF/AEBest | 10fps (2.9fps with AF-S per frame) |
| Battery Life | ~430 shots (CIPA)Best | ~320 shots (CIPA) |
| Weight | 737g (with battery and card) | 290g (with battery and card)Best |
| Dimensions | 128.9 × 96.9 × 80.8mm | 101.6 × 58.1 × 41mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF, 9.44M dots, 0.90× magnification, 240fps | Pop-up OLED EVF, 1.44M dots |
| Screen | 3.0" fully tilting touchscreen | 3.0" LCD, 1.23M dots, tilts 180° up |
| Mount | Sony FE mount (full-frame E-mount) | Fixed Zeiss Vario-Sonnar T* 24-70mm f/1.8-2.8 |
| Memory Cards | Dual CFexpress Type A / SD UHS-II | Single SD / Memory Stick slot |
| Connectivity | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI | Multi / micro USB, micro HDMI, Wi-Fi, NFC |
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
A1
RX100 III
Portrait
8.2/10
4.0/10
Street
6.1/10
7.1/10
Travel
5.9/10
6.4/10
Wedding & Events
7.9/10
2.5/10
Filmmaking
7.8/10
—
Documentary
7.6/10
3.3/10
Sports & Action
8.8/10
—
Landscape
7.6/10
4.2/10
Wildlife
8.7/10
—
Casual
4.8/10
4.1/10
Food
7.4/10
4.4/10
Macro
7.3/10
3.4/10
Architecture
7.9/10
4.3/10
Astrophotography
6.8/10
2.9/10
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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