Head to head · specs cited · drawn to scale
Fujifilm GFX 100S vs Fujifilm X-S10
Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.
The 3 biggest published differences
- EVF resolution: the GFX 100S leads at Approx. 3.69 million dots vs the X-S10's 0.39-in., 2360k-dot OLED viewfinder.
- Burst — electronic: the X-S10 leads at 20 fps; 30 fps (1.25X CROP) (available with electronic shutter only) vs the GFX 100S's Approx. 2.9fps.
- Resolution (MP): the GFX 100S leads at 102 million effective pixels vs the X-S10's Approx. 26.1 million.
 GFX 100S Fujifilm G |  X-S10 Fujifilm X | |
|---|---|---|
| Overview | ||
| Type | Mirrorless | Mirrorless |
| Format | Medium format (43.8mm x 32.9mm) | 23.5 mm x 15.6 mm (APS-C) |
| Lens mount | Fujifilm G | Fujifilm X |
| Released | —, not published | —, not published |
| Sensor & Image | ||
| Sensor type | 43.8mm x 32.9mm Bayer array with primary color filter | X-Trans CMOS sensor with primary color filter |
| Sensor size | Medium format (43.8mm x 32.9mm) | 23.5 mm x 15.6 mm (APS-C) |
| Resolution (MP) | 102 million effective pixels | Approx. 26.1 million |
| In-body stabilisation | 6.0 stops (Image sensor shift mechanism with 5-axis compensation) | —, not published |
| ISO range | ISO100~12800 (1/3 step), extended ISO50 to ISO102400 | Standard output sensitivity equivalent to ISO 160-12800 in increments of 1/3 EV; AUTO; extended output sensitivity ISO 80, 100, 125, 25600, or 51200 |
| Autofocus & Speed | ||
| AF system | Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF) | Intelligent hybrid AF (TTL contrast-detect/phase-detection AF) with AF-assist illuminator |
| Subject detection | Face/eye detection: Yes | —, not published |
| Burst — mechanical | Approx. 5.0fps | 8.0 fps |
| Burst — electronic | Approx. 2.9fps | 20 fps; 30 fps (1.25X CROP) (available with electronic shutter only) |
| Video | ||
| Max video | DCI4K(17:9) 4096x2160 / 4K(16:9) 3840x2160 | Movie sizes 16:9 / 17:9 (up to DCI4K 4096); frame rate 59.94P / 50P / 29.97P / 25P / 24P / 23.98P; high-speed 240P / 200P / 120P / 100P; bit rate 200Mbps / 100Mbps / 50Mbps |
| Codecs / sampling | HEVC/H.265 and MPEG-4 AVC/H.264 | H.264 standard with stereo sound (MOV/MP4) |
| Recording limit | Up to 120min. | —, not published |
| Viewfinder & Screen | ||
| EVF resolution | Approx. 3.69 million dots | 0.39-in., 2360k-dot OLED viewfinder |
| EVF magnification | 0.77x with 50mm Lens (35mm Equivalent) | 0.62x with 50 mm lens (35 mm format equivalent) at infinity and diopter set to -1.0 m-1 |
| Rear screen | 3.2 inch Tilt-Type (Three Direction) Touch Screen Color LCD Monitor, Approx. 2.36 million dots | 3.0-in/7.6 cm, 1040k-dot color touch screen LCD monitor, Vari-angle |
| Body & Handling | ||
| Dimensions (W×H×D) | 150 × 104.2 × 87.2 mm | 126 × 85.1 × 65.4 mm |
| Weight (body) | 900 g | 465 g |
| Weather sealing | —, not published | —, not published |
| Shutter durability | —, not published | —, not published |
| Power & Storage | ||
| Battery life (CIPA) | Approx. 460 frames | [NORMAL] Approx. 325 (LCD) / Approx. 300 (EVF) |
| Battery | NP-W235 Li-ion | NP-W126S |
| Card slots | SD Card (-2GB), SDHC Card (-32GB), SDXC Card (-2TB); UHS-I, UHS-II, Video Speed Class V90 (slot count not published) | SD memory card slot (UHS-I compliant); single slot |
| Connectivity | ||
| USB | USB Type-C (USB3.2 Gen1x1) | USB connector (Type-C) USB3.2 Gen1x1 |
| Wireless | IEEE802.11b/g/n; Bluetooth Ver. 4.2 | IEEE 802.11b/g/n; Bluetooth version 4.2 (Bluetooth Low Energy) |
| HDMI | HDMI Micro connector (Type D) | HDMI Micro connector (type D) |
| Price | ||
| Launch price | —, not published | —, not published |
| Size, to scale | ||
Front view, drawn at the same scale from each maker's published W×H (mm). | ||
| Smallest bag that fits | ||
| Body + standard zoom | Think Tank Mirrorless Mover 25 V2 Fits body only · View at B&H Photo Video | Tenba BYOB 9 Camera Insert Fits with 16-80 f/4 · View at B&H Photo Video |
Sources
official · GFX 100S specifications: Fujifilm (official global specifications page) · accessed 2026-07-10
“102 million effective pixels / Image sensor shift mechanism with 5-axis compensation, 6.0 stops / Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF) / Approx. 5.0fps (mechanical), Approx. 2.9fps (electronic)”
official · X-S10 specifications: Fujifilm (official owner's manual specifications) · accessed 2026-07-10
“Effective pixels Approx. 26.1 million; Image sensor 23.5 mm x 15.6 mm (APS-C), X-Trans CMOS sensor with primary color filter; Electronic viewfinder (EVF) 0.39-in., 2360k-dot OLED viewfinder; magnification 0.62x with 50 mm lens; NP-W126S rechargeable battery; USB connector (Type-C) USB3.2 Gen1x1”
Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.
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