Decision tools · Compare
A6100 vs A7R IV
Quick take: The A7R IV has the highest resolution at 61MP; the A6100 is the most affordable; only the A7R IV 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?
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
A7R IV — Landscape, Studio, Commercial: 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
A6100 (2019)
is the right camera for you if…
- First-time mirrorless buyers who want solid AF
- Families stepping up from a smartphone
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 | A6100Sony · 2019 | A7R IVSony · 2019 |
|---|---|---|
| Price | £649Best | £2,199 |
| Sensor | APS-C Exmor CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 24.2MP | 61.0MPBest |
| Video | 4K 30fps | 4K 30fps |
| Autofocus | 425-point phase-detect, real-time tracking | 567-point phase-detect, real-time tracking |
| Stabilisation | No stabilisation | 5-axis IBIS, 5.5 stops |
| Burst Rate | 11fpsBest | 10fps |
| Battery Life | 420 shots (CIPA) | 670 shots (CIPA)Best |
| Weight | 396g (body only)Best | 665g (body only) |
| Dimensions | 119.9 × 66.9 × 59.4mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Not weather sealed | YesBest |
| Viewfinder | EVF 0.39" 1.44M-dot | EVF 0.78× 5.76M-dot |
| Screen | 3.0" tilting touchscreen, 921k-dot | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Sony E-Mount | Sony E-Mount |
| Memory Cards | SD UHS-I / Memory Stick | Dual SD UHS-II slots |
| Connectivity | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI | 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
A6100
A7R IV
Portrait
6.7/10
8.1/10
Street
7.3/10
6.2/10
Travel
6.4/10
6.4/10
Wedding & Events
5.1/10
7.8/10
Vlogging & Video
6.2/10
—
Filmmaking
4.9/10
6.4/10
Documentary
5.2/10
6.9/10
Sports & Action
6.5/10
7.4/10
Landscape
4.9/10
7.9/10
Wildlife
6.9/10
7.7/10
Casual
6.4/10
4.8/10
Food
6.2/10
7.4/10
Macro
5.2/10
6.5/10
Architecture
5.5/10
8.1/10
Astrophotography
6.0/10
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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