Decision tools · Compare
A9 III vs Sony RX1R III
Quick take: The Sony RX1R III has the highest resolution at 61MP; the Sony RX1R III is the most affordable; only the A9 III is weather sealed.
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.
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Verdictwhich should you buy?
A9 III — Sports & Action Professionals: A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.
Who should buy what
A9 III (2023)
is the right camera for you if…
- Professional sports photographers who need zero blackout and 120fps burst
- Wildlife photographers who demand the most advanced Sony AF available
- Photojournalists who need flash sync at any shutter speed
- A9 II owners upgrading to the world's first full-frame global shutter
Full specificationsthe better value in each row is highlighted
| Specification | A9 IIISony · 2023 | Sony RX1R IIISony · 2025 |
|---|---|---|
| Price | £5,699 | £3,899Best |
| Sensor | 24.6MP full-frame Exmor RS CMOS (global shutter) | 61MP full-frame Exmor R BSI CMOS |
| Resolution | 24.6MP | 61.0MPBest |
| Video | 4K/120p, 4K/60p, 1080p/240p | 4K/30p, 10-bit |
| Autofocus | AI subject recognition AF, 759-point phase-detect | Hybrid phase-detect AF (693 points) with eye detection |
| Stabilisation | 8-stop IBIS | No stabilisation |
| Burst Rate | 120fps blackout-free electronicBest | 5fps |
| Battery Life | 530 shots (CIPA)Best | 300 shots (CIPA, LCD) |
| Weight | 703g (body only) | 496g (with battery and card)Best |
| Dimensions | 136.1 × 96.9 × 82.9mm | — |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | 0.64" Quad-XGA OLED EVF, 9.44M dots | EVF, 2.36M dots |
| Screen | 3.2" fully articulating touchscreen | Tilting touchscreen |
| Mount | Sony FE (E-mount) | Fixed 35mm f/2 Zeiss Sonnar lens |
| Memory Cards | Dual CFexpress Type A / SD UHS-II | Single SD (UHS-II) |
| Connectivity | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 | USB-C, Wi-Fi, Bluetooth |
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
A9 III
Sony RX1R III
Portrait
8.5/10
5.9/10
Street
6.6/10
7.6/10
Travel
6.5/10
6.1/10
Wedding & Events
8.5/10
5.7/10
Vlogging & Video
6.5/10
—
Filmmaking
8.2/10
5.3/10
Documentary
8.2/10
5.5/10
Sports & Action
9.4/10
—
Landscape
6.5/10
5.7/10
Wildlife
9.2/10
—
Casual
5.3/10
4.6/10
Food
7.9/10
6.3/10
Macro
7.6/10
4.8/10
Architecture
6.6/10
6.0/10
Astrophotography
6.8/10
6.2/10
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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