Head to head · specs cited · drawn to scale

Fujifilm X-S10 vs Fujifilm X-T4

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

Fujifilm X-S10 X-S10 Fujifilm X
Fujifilm X-T4 X-T4 Fujifilm X
Overview
Type MirrorlessMirrorless
Format 23.5 mm x 15.6 mm (APS-C)23.5mm x 15.6mm (APS-C)
Lens mount Fujifilm XFujifilm X
Released —, not published—, not published
Sensor & Image
Sensor type X-Trans CMOS sensor with primary color filterX-Trans CMOS 4 with primary color filter
Sensor size 23.5 mm x 15.6 mm (APS-C)23.5mm x 15.6mm (APS-C)
Resolution (MP) Approx. 26.1 million26.1 millions pixels
In-body stabilisation —, not publishedImage sensor shift mechanism with 5-axis compensation; Maximum 6.5 stops (based on CIPA standard. Pitch/yaw shake only.)
ISO range Standard output sensitivity equivalent to ISO 160-12800 in increments of 1/3 EV; AUTO; extended output sensitivity ISO 80, 100, 125, 25600, or 51200Standard output: AUTO1 / AUTO2 / AUTO3 (up to ISO12800) / ISO160 - 12800 (1/3 step); Extended output: ISO80 / 100 / 125 / 25600 / 51200
Autofocus & Speed
AF system Intelligent hybrid AF (TTL contrast-detect/phase-detection AF) with AF-assist illuminatorIntelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)
Subject detection —, not publishedContrast: -3.0EV / Phase Detection: -7.0EV (XF50mmF1.0 attached)
Burst — mechanical 8.0 fpsApprox. 15fps
Burst — electronic 20 fps; 30 fps (1.25X CROP) (available with electronic shutter only)Approx. 20fps [Only electronic shutter]; Approx. 30fps [Only electronic shutter, 1.25 x Crop]
Video
Max video 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 / 50MbpsDCI 4K(4096 x 2160) / 4K(3840 x 2160) 59.94p/50p/29.97p/25p/24p/23.98p (up to 400Mbps)
Codecs / sampling H.264 standard with stereo sound (MOV/MP4)MOV (MPEG-4 AVC/H.264, HEVC/H.265, Audio: Linear PCM / Stereo sound 24bit / 48KHz sampling); MP4 (MPEG-4 AVC/H.264, Audio: AAC)
Recording limit —, not publishedDCI4K/4K: 59.94p/50p up to approx. 20min., 29.97p/25p/24p/23.98p up to approx. 30min.
Viewfinder & Screen
EVF resolution 0.39-in., 2360k-dot OLED viewfinder0.5 inch approx. 3.69 millions dots OLED Color Viewfinder
EVF magnification 0.62x with 50 mm lens (35 mm format equivalent) at infinity and diopter set to -1.0 m-10.75x with 50mm lens (35mm equivalent) at infinity and diopter set to -1m-1
Rear screen 3.0-in/7.6 cm, 1040k-dot color touch screen LCD monitor, Vari-angle3.0 inch, aspect ratio 3:2, approx. 1.62 millions dots touch screen color LCD monitor (approx. 100% coverage)
Body & Handling
Dimensions (W×H×D) 126 × 85.1 × 65.4 mm134.6 × 92.8 × 63.8 mm
Weight (body) 465 g607 g
Weather sealing —, not published—, not published
Shutter durability —, not published—, not published
Power & Storage
Battery life (CIPA) [NORMAL] Approx. 325 (LCD) / Approx. 300 (EVF)Approx. 500 frames (Normal Mode) (Approx. 600 frames Economy Mode)
Battery NP-W126SNP-W235
Card slots SD memory card slot (UHS-I compliant); single slotSD / SDHC / SDXC (UHS-I / UHS-II / Video Speed Class V90)
Connectivity
USB USB connector (Type-C) USB3.2 Gen1x1USB Type-C (USB3.2 Gen1 x 1)
Wireless IEEE 802.11b/g/n; Bluetooth version 4.2 (Bluetooth Low Energy)IEEE802.11b/g/n; Bluetooth Ver 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
X-S10126×85.1×65.4X-T4134.6×92.8×63.8

Front view, drawn at the same scale from each maker's published W×H (mm).

Smallest bag that fits
Body + standard zoom Tenba BYOB 9 Camera Insert Fits
with 16-80 f/4 · View at B&H Photo Video
Think Tank Mirrorless Mover 25 V2 Fits
with 16-80 f/4 · View at B&H Photo Video

Sources

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”
official · X-T4 specifications: Fujifilm (official specifications page) · accessed 2026-07-10
“Number of effective pixels 26.1 millions pixels; Image sensor 23.5mm x 15.6mm (APS-C) X-Trans CMOS 4 with primary color filter; Image sensor shift mechanism with 5-axis compensation, Maximum 6.5 stops; Viewfinder 0.5 inch approx. 3.69 millions dots OLED; Power supply NP-W235 Li-ion battery; USB Type-C (USB3.2 Gen1 x 1)”

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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