X-S20vs A7S
GearScore™ Verdict — 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.
Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.
Who should buy what
X-S20 (2023)
- Content creators who want Fujifilm colour science in a vlogging-friendly body
- Hybrid shooters who need IBIS, 6.2K video, and a fully articulating screen
- X-S10 owners looking for a meaningful upgrade with better battery and video
- Beginners who want a capable all-rounder without Fujifilm's traditional dials
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The x-s20 has the highest resolution at 26mp; the a7s is the most affordable; only the a7s is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | X-S20 (2023) | A7S (2014) |
|---|---|---|
| Price | £849 | £600 |
| Sensor | 26.1MP APS-C X-Trans CMOS 4 | 12.2MP Full-Frame BSI CMOS |
| Resolution | 26.1MP | 12.2MP |
| Video | 6.2K/30p, 4K/60p, F-Log2, 10-bit | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Phase-detect, 425 points, subject tracking | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | 5-axis IBIS, 7.0 stops | None |
| Burst Rate | 8fps mechanical, 20fps electronic | 5fps |
| Battery Life | ~750 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 491g body only | 474g (with battery and card) |
| Dimensions | 126.0 × 85.1 × 65.4mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.62× magnification | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" tilting LCD, 1.23M dots |
| Mount | Fujifilm X-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C 3.2, Bluetooth, Wi-Fi | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | X-S20 | A7S |
|---|---|---|
| Vlogging & Video | ||
| Portrait | ||
| Travel | ||
| Street | ||
| Landscape | ||
| Sports & Action | ||
| Astrophotography | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with X-S20
Camera family history