X-S20vs Z6 IIIvs Pentax K-3 Mark III
Pentax
Pentax K-3 Mark III (2021)
From £1699
Best for DSLR enthusiasts & outdoor photographers
View Pentax K-3 Mark III
Which should you buy?
Hybrid Photo & Video — X-S20 (2023): Fujifilm's most accessible X-series body — 7-stop IBIS, 6K video, 20 film simulations, and a user-friendly layout.
Hybrid Video & Action — Z6 III (2024): Partial-stacked FF sensor for near-zero blackout, 6K RAW video, and 60fps burst — Nikon's most capable hybrid.
Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.
Who should buy what
X-S20 (2023)
- You primarily create video content and want a capable but compact Fujifilm
- You're a vlogger, travel creator, or documentary shooter
- You want Fujifilm film simulations with strong, reliable video specs
Z6 III (2024)
- You need the best all-round full-frame camera in Nikon's Z system
- You shoot in challenging or low light and need exceptional high-ISO performance
- You want a hybrid body that genuinely excels at both professional stills and video
Pentax K-3 Mark III (2021)
- You're a committed DSLR photographer with significant investment in Pentax glass
- You shoot in extreme weather conditions and place build quality and reliability above everything
- You prefer optical viewfinder performance and want the best modern APS-C DSLR available
Quick take: The x-s20 has the highest resolution at 26mp; the x-s20 is the most affordable; only the z6 iii, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-S20 (2023) | Z6 III (2024) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £849 | £2,199 | £1,699 |
| Sensor | 26.1MP APS-C X-Trans CMOS 4 | 24.5MP Full-frame Partial-stacked CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 26.1MP | 24.5MP | 25.7MP |
| Video | 6.2K/30p, 4K/60p, F-Log2, 10-bit | 6K/60p RAW, 4K/120p, 4K/60p oversampled, N-Log, 10-bit | 4K/30p, 1080p/60p |
| Autofocus | Phase-detect, 425 points, subject tracking | Phase-detect, 273 points, subject detection (human/animal/vehicle/aircraft) | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | 5-axis IBIS, 7.0 stops | 5-axis IBIS, 6.0 stops | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | 8fps mechanical, 20fps electronic | 20fps mechanical, 60fps electronic | 12fps |
| Battery Life | ~750 shots (CIPA) | ~380 shots (CIPA) | 800 shots (CIPA) |
| Weight | 491g body only | 760g body only | 820g body only |
| Dimensions | 126.0 × 85.1 × 65.4mm | 138.5 × 101.5 × 74.0mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.62× magnification | EVF, 5.76M dots, 0.90× magnification | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.2" fully articulating touchscreen | 3.2" tilting touchscreen |
| Mount | Fujifilm X-mount | Nikon Z-mount (full-frame) | Pentax KF-mount |
| Memory Cards | Single SD UHS-I slot | Dual slots: CFexpress Type B + SD UHS-II | Dual SD UHS-II |
| Connectivity | USB-C 3.2, Bluetooth, Wi-Fi | USB-C 3.2, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
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