Decision tools · Compare
S1R II vs A7R IV
Quick take: The A7R IV has the highest resolution at 61MP; the A7R IV 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.
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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 | S1R IILumix · 2025 | A7R IVSony · 2019 |
|---|---|---|
| Price | £2,699 | £2,199Best |
| Sensor | 44.3MP full-frame BSI CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 44.3MP | 61.0MPBest |
| Video | 8K/30p (first for Lumix), 4K/120p (1.1x crop), 10-bit | 4K 30fps |
| Autofocus | Phase-hybrid AF (779 points) with AI subject detection | 567-point phase-detect, real-time tracking |
| Stabilisation | 8-stop IBIS with Dual I.S. 2 | 5-axis IBIS, 5.5 stops |
| Burst Rate | 40fps electronicBest | 10fps |
| Battery Life | 350 shots (CIPA, LCD) | 670 shots (CIPA)Best |
| Weight | 820g (with battery and card) | 665g (body only)Best |
| Dimensions | — | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots | EVF 0.78× 5.76M-dot |
| Screen | Fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | L-mount | Sony E-Mount |
| Memory Cards | CFexpress Type B + SD (UHS-II) | Dual SD UHS-II slots |
| Connectivity | USB-C, full-size HDMI, Wi-Fi, Bluetooth | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
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
S1R II
A7R IV
Portrait
8.8/10
8.1/10
Street
6.3/10
6.2/10
Travel
6.2/10
6.4/10
Wedding & Events
8.4/10
7.8/10
Vlogging & Video
6.1/10
—
Filmmaking
7.7/10
6.4/10
Documentary
7.9/10
6.9/10
Sports & Action
8.3/10
7.4/10
Landscape
7.7/10
7.9/10
Wildlife
8.3/10
7.7/10
Casual
5.2/10
4.8/10
Food
8.3/10
7.4/10
Macro
8.8/10
6.5/10
Architecture
8.1/10
8.1/10
Astrophotography
7.1/10
6.9/10
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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