Compare real-world fit, not spreadsheet noise.
Pick up to four products and tune the verdict around travel, hybrid work, wildlife, resale safety or pure value. GearAtlas weighs carry size, ecosystem cost, market timing and ownership risk in one calm decision surface.
Visual
Estimated
Ranked
Sony A7 IV
Full-frame / 659g
Fujifilm X100VI
APS-C / 521g
Workflow lens
Sony A7 IV is the stronger fit for travel and everyday carry.
Sony A7 IV leads on video readiness by 36 points.
Sony A7 IV leads on AF confidence by 14 points.
Sony A7 IV leads on value and market timing by 16 points.
Camera size studio
Relative body dimensions
Front, back and top views are drawn from external dimensions so the size relationship stays proportional.
View
Mode
Sony A7 IV
Front view / 131 x 96mm
131 x 96 x 80mm
Fujifilm X100VI
Front view / 128 x 75mm
128 x 75 x 55mm
Width
Height
Depth
Weight
External dimensions and carry delta
Fujifilm X100VI is the narrowest (3mm less than Sony A7 IV), Fujifilm X100VI is the shortest (21mm less than Sony A7 IV), Fujifilm X100VI is the thinnest (25mm less than Sony A7 IV), and Fujifilm X100VI is the lightest (138g less than Sony A7 IV).
Fixed-lens bodies include their lens in the envelope; interchangeable bodies still need a lens attached.
Sony A7 IV
Fujifilm X100VI
Class benchmarks
Sensor comparison
Sensor size to scale
×1 crop
×1.53 crop
Full-frame captures ~2.4× the sensor area of APS-C, a real low-light and depth-of-field edge.
Decision matrix
Scores tuned for travel
Highlighted specs
Only specs that change the decision
Sensor
33MP full-frame BSI
Sensor
40.2MP APS-C X-Trans 5 HR
Video
4K/60p (S35), 7K oversampled
Stabilisation
5-axis, up to 6 stops
Viewfinder
Hybrid OVF/EVF
Community comparison
Owner consensus · not specsCommunity comparison appears once owners vote on these products — 6 more votes across the pair will unlock it.