GFX 100vs A7R IV
Fujifilm
GFX 100 (2019)
Starting from £4999 new
Best for Commercial, studio & landscape photography
View GFX 100
GearScore™ Verdict — Which should you buy?
Commercial, Studio & Landscape Photography — GFX 100 (2019): The world's first 100MP mirrorless with IBIS and phase-detect AF — the GFX 100 was a landmark in medium format, but its size and weight are professional-grade.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
GFX 100 (2019)
- Commercial and advertising photographers who need extraordinary resolution
- Landscape photographers willing to carry a large body for maximum detail
- GFX system users who want the original 100MP body at a lower cost than GFX 100S
- Studio photographers who want the finest image quality the GFX system can offer
A7R IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The gfx 100 has the highest resolution at 102mp; the a7r iv is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 100 (2019) | A7R IV (2019) |
|---|---|---|
| Price | £4,999 | £2,199 |
| Sensor | 102MP Medium Format BSI CMOS (43.8 × 32.9mm) | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 102.0MP | 61.0MP |
| Video | 4K/30p, FHD/120p; F-Log support | 4K 30fps |
| Autofocus | Phase-detect hybrid AF (first GFX with phase-detect), face/eye detection | 567-point phase-detect, real-time tracking |
| Stabilisation | IBIS — up to 5.5 stops | 5-axis IBIS, 5.5 stops |
| Burst Rate | 5fps | 10fps |
| Battery Life | ~800 shots (CIPA, dual NP-T125 batteries in integrated grip) | 670 shots (CIPA) |
| Weight | 1,400g (with battery and card) | 665g (body only) |
| Dimensions | 156.2 × 163.6 × 102.9mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 5.76M dots, 0.77× magnification | EVF 0.78× 5.76M-dot |
| Screen | 3.2" fully articulating touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Fujifilm GFX (G-mount) | Sony E-Mount |
| Memory Cards | Dual SD UHS-II slots | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB-C, Wi-Fi, Bluetooth, 3.5mm mic, headphone jack, HDMI | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | GFX 100 | A7R IV |
|---|---|---|
| Portrait | ||
| Landscape | ||
| Architecture | ||
| Travel | ||
| Sports & Action | — | |
| Vlogging & Video | ||
| Street | — | |
| Wedding & Events | — | |
| Wildlife | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history