Precision Physical Scale

Visual Phone Size Comparison

Compare physical height, width, thickness, and footprint of smartphones in true-to-scale visual representations.

Quick Delta Summary & Ergonomics

vivo X21i is 7.9 mm shorter , 4 mm narrower , and 73 g lighter than Samsung Galaxy S24 Ultra.

X21i: Standard Ergonomics Featherweight

Galaxy S24 Ultra: Large (2-Hands Preferred) Solid / Heavy Flagship

Zoom: 2.4x

Aligned to Common Baseline

vivo X21i

6.28" 85.0%

154.4 × 75 mm

159 g

Samsung Galaxy S24 Ultra

6.8" 88.5%

162.3 × 79 mm

232 g

Metric	vivo X21i	Samsung Galaxy S24 Ultra	Difference
Height	154.4 mm	162.3 mm	-7.9 mm
Width	75 mm	79 mm	-4 mm
Thickness	7 mm	8.6 mm	-1.6 mm
Weight	159 g	232 g	-73 g
Screen Size	6.28"	6.8"	-0.52"
Volume Footprint	81.1 cm³	110.3 cm³	-29.2 cm³

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