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Quick take: The GFX 50S has the highest resolution at 51MP; the GFX 50S is the most affordable.
16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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GFX 50S — Studio, Portrait & Landscape Photography: The camera that launched Fujifilm's medium-format revolution — 51MP at a price that made serious large-format imaging possible for the first time.
A1 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.
| Specification | GFX 50SFujifilm · 2017 | A1Sony · 2021 |
|---|---|---|
| Price | £833 usedBest | £4,199 |
| Sensor | 51.4MP Medium Format BSI CMOS (43.8 × 32.9mm) | 50.1MP Full-Frame Stacked BSI CMOS Exmor RS |
| Resolution | 51.4MPBest | 50.1MP |
| Video | 1080p/30p | 8K/30p, 4K/120p, 1080p/240p |
| Autofocus | Contrast-detect AF, face detection | Real-time Tracking, AI subject recognition — 759 phase-detect points |
| Stabilisation | No stabilisation | IBIS — up to 5.5 stops |
| Burst Rate | 3fps | 30fps electronic with full AF/AEBest |
| Battery Life | ~400 shots (CIPA) | ~430 shots (CIPA)Best |
| Weight | 740g (body only) | 737g (with battery and card)Best |
| Dimensions | 147.5 × 94.2 × 91.4mm | 128.9 × 96.9 × 80.8mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | Detachable EVF, 3.69M dots, 0.85× magnification | EVF, 9.44M dots, 0.90× magnification, 240fps |
| Screen | 3.2" tilting touchscreen + rear sub-LCD | 3.0" fully tilting touchscreen |
| Mount | Fujifilm GFX (G-mount) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II slots | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI |
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 →