GFX 50S IIvs Z5 IIvs A6700
Which should you buy?
Studio & Portrait Specialists — GFX 50S II (2021): Medium format quality at the most accessible price ever — 51MP detail and tonal richness no APS-C or full-frame body can replicate.
Full-Frame Value — Z5 II (2024): The most accessible full-frame mirrorless — dual card slots, weather sealing, and Nikon colour at a sensible price.
All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.
Who should buy what
GFX 50S II (2021)
- You want to experience medium format without a five-figure investment
- You shoot landscape, architecture, or portraits where resolution and tonal depth matter
- You're in the Fujifilm ecosystem and want to step up to a larger sensor
Z5 II (2024)
- You want full-frame image quality at the lowest possible entry price
- You shoot stills primarily — portrait, landscape, or travel
- You're upgrading from a DSLR and want a familiar but thoroughly modern Nikon experience
A6700 (2023)
- You want a compact, travel-friendly system without sacrificing autofocus performance
- You're an enthusiast upgrading from an entry-level camera and ready for a more capable body
- You shoot wildlife or sports and want APS-C reach from a lightweight kit
- You create video content and need reliable subject and eye tracking in a small form factor
Quick take: The gfx 50s ii has the highest resolution at 51mp; the a6700 is the most affordable; only the gfx 50s ii, z5 ii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | GFX 50S II (2021) | Z5 II (2024) | A6700 (2023) |
|---|---|---|---|
| Price | £2,999 | £1,299 | £999 |
| Sensor | 51.4MP Medium Format GFX 44×33mm BSI CMOS | 24.5MP Full-frame BSI CMOS | 26MP APS-C Exmor R BSI CMOS |
| Resolution | 51.4MP | 24.5MP | 26.0MP |
| Video | 4K/30p (cropped) | 4K/30p oversampled, 1080p/120p, N-Log | 4K/120p, 4K/60p oversampled, S-Log3, 10-bit |
| Autofocus | Phase-detect, 425 points | Phase-detect, 273 points, subject detection (human/animal/vehicle) | 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) |
| Stabilisation | 5-axis IBIS, 6.5 stops | 5-axis IBIS, 5.0 stops | 5-axis IBIS, 5.0 stops |
| Burst Rate | 3fps | 14fps mechanical, 30fps electronic | 11fps mechanical, 30fps electronic |
| Battery Life | ~440 shots (CIPA) | ~470 shots (CIPA) | ~570 shots (CIPA) |
| Weight | 900g body only | 700g body only | 493g body only |
| Dimensions | 150.0 × 104.2 × 87.2mm | 134.0 × 100.5 × 69.9mm | 122.0 × 69.0 × 75.1mm |
| Weather Sealed | Yes | Yes | No |
| Viewfinder | EVF, 3.69M dots, 0.77× magnification | EVF, 3.69M dots, 0.80× magnification | EVF, 2.36M dots |
| Screen | 3.2" tilting touchscreen | 3.2" tilting touchscreen | 3.0" vari-angle touchscreen |
| Mount | Fujifilm G-mount (medium format) | Nikon Z-mount (full-frame) | Sony E-mount |
| Memory Cards | Dual SD UHS-II slots | Dual SD UHS-II slots | Single SD UHS-II / CFexpress Type A slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi | USB-C 3.2, Bluetooth, Wi-Fi | USB-C (3.2), Bluetooth, Wi-Fi |
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