A1 IIvs A6100
Sony
A1 II (2025)
Starting from £6500 new
Best for Professional sports, wildlife & high-resolution studio work
View A1 II
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GearScore™ Verdict — Which should you buy?
Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
Beginner, Family, Travel — A6100 (2019): Best autofocus in its class for the price.
Who should buy what
A1 II (2025)
- Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
- Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
- Photojournalists who need a single body capable of handling every assignment
- Sony system shooters ready to invest in the absolute best
A6100 (2019)
- First-time mirrorless buyers who want solid AF
- Families stepping up from a smartphone
Quick take: The a1 ii has the highest resolution at 50mp; the a6100 is the most affordable; only the a1 ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | A1 II (2025) | A6100 (2019) |
|---|---|---|
| Price | £6,500 | £549 |
| Sensor | 50.1MP full-frame stacked BSI CMOS | APS-C Exmor CMOS |
| Resolution | 50.1MP | 24.2MP |
| Video | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion | 4K 30fps |
| Autofocus | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train | 425-point phase-detect, real-time tracking |
| Stabilisation | 8.5-stop IBIS (with in-lens OSS) | None |
| Burst Rate | 30fps electronic (with full AF/AE), 10fps mechanical | 11fps |
| Battery Life | ~530 shots (CIPA) | 420 shots (CIPA) |
| Weight | 743g body only | 396g (body only) |
| Dimensions | 136.1 × 96.9 × 82.9mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | Yes | No |
| Viewfinder | EVF 0.9× 9.44M-dot — the highest resolution EVF available | EVF 0.39" 1.44M-dot |
| Screen | 3.2" fully articulating touchscreen, 2.1M dots | 3.0" tilting touchscreen, 921k-dot |
| Mount | Sony E-mount (full-frame) | Sony E-Mount |
| Memory Cards | Dual CFexpress Type A / SD UHS-II slots | SD UHS-I / Memory Stick |
| Connectivity | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI |
Suitability by genre
| Genre | A1 II | A6100 |
|---|---|---|
| Sports | — | |
| Wildlife | — | |
| Portrait | — | |
| Landscape | — | |
| Vlogging & Video | — | |
| Travel | — |
More comparisons with A1 II
Camera family history