Decision tools · Compare
A7R IV vs Sony RX1R III
Quick take: The A7R IV is the most affordable; only the A7R IV 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.
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Verdictwhich should you buy?
A7R IV — Landscape, Studio, Commercial: 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
A7R IV (2019)
is the right camera for you if…
- Landscape photographers who print large
- Studio shooters needing maximum detail
Full specificationsthe better value in each row is highlighted
| Specification | A7R IVSony · 2019 | Sony RX1R IIISony · 2025 |
|---|---|---|
| Price | £2,199Best | £3,899 |
| Sensor | Full-frame BSI Exmor R CMOS 35mm | 61MP full-frame Exmor R BSI CMOS |
| Resolution | 61.0MP | 61.0MP |
| Video | 4K 30fps | 4K/30p, 10-bit |
| Autofocus | 567-point phase-detect, real-time tracking | Hybrid phase-detect AF (693 points) with eye detection |
| Stabilisation | 5-axis IBIS, 5.5 stops | No stabilisation |
| Burst Rate | 10fpsBest | 5fps |
| Battery Life | 670 shots (CIPA)Best | 300 shots (CIPA, LCD) |
| Weight | 665g (body only) | 496g (with battery and card)Best |
| Dimensions | 128.9 × 96.4 × 77.5mm | — |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF 0.78× 5.76M-dot | EVF, 2.36M dots |
| Screen | 3.0" tilting touchscreen, 1.44M-dot | Tilting touchscreen |
| Mount | Sony E-Mount | Fixed 35mm f/2 Zeiss Sonnar lens |
| Memory Cards | Dual SD UHS-II slots | Single SD (UHS-II) |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 | 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
A7R IV
Sony RX1R III
Portrait
8.1/10
5.9/10
Street
6.2/10
7.6/10
Travel
6.4/10
6.1/10
Wedding & Events
7.8/10
5.7/10
Filmmaking
6.4/10
5.3/10
Documentary
6.9/10
5.5/10
Sports & Action
7.4/10
—
Landscape
7.9/10
5.7/10
Wildlife
7.7/10
—
Casual
4.8/10
4.6/10
Food
7.4/10
6.3/10
Macro
6.5/10
4.8/10
Architecture
8.1/10
6.0/10
Astrophotography
6.9/10
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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