Fujifilm Field Guideby @snapsbytaha

Fujifilm X-T30 III vs X-T4

Only the X-T4 has in-body stabilization; the X-T30 III is lighter (378 g vs 607 g); for video, the X-T30 III does 6.2K 30P, 4K 60P and the X-T4 4K 60P; the X-T30 III launched for less ($999 vs $1,699). Add a third camera, or swap either one, below.

SpecFujifilm X-T30 IIIFujifilm X-T4
Sensor and image
SensorX-Trans CMOS 4X-Trans CMOS 4
Resolution26.1 MP26.1 MP
Sensor sizeAPS-CAPS-C
ProcessorX-Processor 5X-Processor 4
Native ISO160–12800160–12800
In-body stabilizationNone6.5 stops
Film simulations2018
Lens and body
LensInterchangeable (X mount)Interchangeable (X mount)
Body styleSLR style, compactSLR style
Top controlsFilm simulation dial, shutter speed dial, exposure compensation dialISO dial, shutter speed dial, exposure compensation dial
Weather sealingNoYes
Weight378 g607 g
Size (W × H × D)118.4 × 82.8 × 46.8 mm134.6 × 92.8 × 63.8 mm
Viewfinder and screens
ViewfinderElectronic, 2.36M-dot OLED, 0.62×Electronic, 3.69M-dot OLED, 0.75×
Rear screen3.0" 1.62M-dot tilting touchscreen3.0" 1.62M-dot vari-angle touchscreen
Top screenNoNo
Speed
Fastest mechanical shutter1/4000 s1/8000 s
Fastest electronic shutter1/32000 s1/32000 s
Burst8 fps mechanical, 20 fps electronic, 30 fps (1.25× crop)15 fps mechanical, 20 fps electronic, 30 fps (1.25× crop)
AutofocusPhase detection, AI subject detection (faces, eyes, animals, birds, cars, planes, trains, insects, drones)Phase detection, face and eye detection
Video
Best video6.2K 30P, 4K 60P4K 60P
Video extras10-bit 4:2:2, F-Log210-bit 4:2:0 internal, F-Log
Storage and power
Card slots1 × SD (UHS-I)2 × SD (UHS-II)
BatteryNP-W126SNP-W235
Price
Launch price (US)$999$1,699
Announced20252020

Specs from Fujifilm's published specifications. Weight includes battery and card. Prices are US launch prices; today's prices are often lower. Green marks the best value in a row where it's clear-cut.