Head to head · specs cited · drawn to scale

Fujifilm X100V vs Sony A6400

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 X100V X100V fixed
Sony A6400 A6400 Sony E
Overview
Type MirrorlessMirrorless
Format 23.5mm x 15.6mm (APS-C)APS-C type (23.5 x 15.6mm)
Lens mount fixedSony E
Released —, not published—, not published
Sensor & Image
Sensor type X-Trans CMOS 4 with primary color filterExmor CMOS sensor
Sensor size 23.5mm x 15.6mm (APS-C)APS-C type (23.5 x 15.6mm)
Resolution (MP) 26.1 millions pixels24.2
In-body stabilisation nonenone
ISO range Standard Output: AUTO1 / AUTO2 / AUTO3 / ISO125-12800 (1/3 step); Extended Output: ISO80 / 100 / 125 / 25600 / 51200Still images: ISO 100-32000 (ISO numbers up to ISO 102400 can be set as expanded ISO range)
Autofocus & Speed
AF system Intelligent Hybrid AF (TTL contrast AF / TTL phase detection AF)Fast Hybrid AF (phase-detection AF/contrast-detection AF); 425 points (phase-detection) / 425 points (contrast-detection)
Subject detection —, not publishedEye AF (Right/Left Eye Select), Object Tracking, Face Detection (Face Priority in AF; max. number of detectable: 8)
Burst — mechanical Approx. 6.0fps (CL, lens shutter)Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps
Burst — electronic Approx. 20fps [electronic shutter]; Approx. 30fps (1.25x Crop) [electronic shutter]—, not published
Video
Max video DCI4K(17:9) 4096 x 2160 29.97p/25p/24p/23.98p (up to 200Mbps)XAVC S 4K: 3840 x 2160 (30p, 100M), 3840 x 2160 (24p, 100M)
Codecs / sampling MOV (MPEG-4 AVC/H.264, Linear PCM / Stereo sound 24bit / 48KHz sampling)XAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264
Recording limit —, not published—, not published
Viewfinder & Screen
EVF resolution Hybrid viewfinder: OVF (reverse Galilean with electronic bright frame display, coverage approx. 95%) + EVF 0.5 inch OLED Color Viewfinder Approx. 3.69 million dots2 359 296 dots
EVF magnification EVF 0.66x with 50mm lens (35mm equivalent) at infinity and diopter set to -1.0m-1; OVF approx. x0.52Approx. 1.07x (35mm camera equivalent: Approx. 0.70x) with 50mm lens at infinity
Rear screen 3.0 inch tilting touch screen color LCD monitor, aspect ratio 3:2, approx. 1.62 million dots7.5cm (3.0-type) wide type TFT, 921 600 dots, tiltable up by approx. 180 degrees / down by approx. 74 degrees, Touch Panel: Yes
Body & Handling
Dimensions (W×H×D) 128 × 74.8 × 53.3 mm120 × 66.9 × 59.7 mm
Weight (body) 478 g403 g
Weather sealing —, not published—, not published
Shutter durability —, not published—, not published
Power & Storage
Battery life (CIPA) Normal Mode: Approx. 350 / 420 frames (EVF / OVF)Approx. 360 shots (Viewfinder) / Approx. 410 shots (LCD monitor) (CIPA standard)
Battery NP-W126SNP-FW50
Card slots SD / SDHC / SDXC (UHS-I)Multi slot for Memory Stick Duo/SD memory card (single slot)
Connectivity
USB USB Type-C (USB3.1 Gen1)Multi/Micro USB Terminal; USB Power supply: Yes
Wireless IEEE802.11a/b/g/n; Bluetooth Ver. 4.2 (Bluetooth low energy)Wi-Fi IEEE 802.11b/g/n (2.4GHz band); Bluetooth Standard Ver. 4.1 (2.4GHz band); NFC (Type 3 Tag)
HDMI HDMI Micro connector (Type D)HDMI micro connector (Type-D)
Price
Launch price —, not published—, not published
Size, to scale
X100V128×74.8×53.3A6400120×66.9×59.7

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 20 V2 Fits
body only · View at B&H Photo Video
Tenba BYOB 9 Camera Insert Fits
with 24-105 f/4 · View at B&H Photo Video

Sources

official · X100V specifications: Fujifilm (official specifications page) · accessed 2026-07-10
“Image Sensor 23.5mm x 15.6mm (APS-C) X-Trans CMOS 4 with primary color filter; Number Of Effective Pixels 26.1 millions pixels; Lens FUJINON single focal length lens f=23mm (35mm format equivalent : 35mm), Max. Aperture F2.0; EVF 0.5 inch OLED Approx. 3.69 million dots; Normal Mode Approx. 350 / 420 frames (EVF / OVF); NP-W126S Li-ion battery”
official · A6400 specifications: Sony (official specifications page) · accessed 2026-07-10
“Sensor Type APS-C type (23.5 x 15.6mm), Exmor CMOS sensor ... Number Of Pixels (Effective) Approx. 24.2 megapixels ... Focus Point 425 points (phase-detection AF) / 425 points (contrast-detection AF) ... Continuous shooting: Hi+: 11 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps ... Number of Dots 2 359 296 dots ... Supplied Battery One rechargeable battery pack NP-FW50”

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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