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Quick take: The Sony RX1R III has the highest resolution at 61MP; the A7R is the most affordable; only the A7R is weather sealed.
16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A7R — Studio, Tripod Landscape & Camera History: The world's first 36MP full-frame mirrorless — a landmark camera that launched the A7R series, despite contrast-detect AF and significant shutter shock limitations.
| Specification | A7RSony · 2013 | Sony RX1R IIISony · 2025 |
|---|---|---|
| Price | £349Best | £3,899 |
| Sensor | 36.4MP Full-Frame CMOS (no OLPF) | 61MP full-frame Exmor R BSI CMOS |
| Resolution | 36.4MP | 61.0MPBest |
| Video | 1080p/60p | 4K/30p, 10-bit |
| Autofocus | Contrast-detect AF only (no phase-detect on sensor) | Hybrid phase-detect AF (693 points) with eye detection |
| Stabilisation | No stabilisation | No stabilisation |
| Burst Rate | 4fps | 5fpsBest |
| Battery Life | ~340 shots (CIPA)Best | 300 shots (CIPA, LCD) |
| Weight | 465g (with battery and card)Best | 496g (with battery and card) |
| Dimensions | 126.9 × 94.4 × 48.2mm | — |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF, OLED 2.36M dots, 0.71× magnification | EVF, 2.36M dots |
| Screen | 3.0" tilting LCD, 1.23M dots (no touch) | Tilting touchscreen |
| Mount | Sony FE (full-frame E-mount) | Fixed 35mm f/2 Zeiss Sonnar lens |
| Memory Cards | Single SD UHS-I slot | Single SD (UHS-II) |
| Connectivity | USB, Wi-Fi, NFC | USB-C, Wi-Fi, Bluetooth |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →