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

NIU C21A is 56.3 mm shorter , 34 mm narrower , and 159 g lighter than Samsung Galaxy S24 Ultra.

C21A: Compact (1-Hand Reach) Featherweight

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

Zoom: 2.4x

Aligned to Common Baseline

NIU C21A

1.8" 21.4%

106 × 45 mm

73 g

Samsung Galaxy S24 Ultra

6.8" 88.5%

162.3 × 79 mm

232 g

Metric	NIU C21A	Samsung Galaxy S24 Ultra	Difference
Height	106 mm	162.3 mm	-56.3 mm
Width	45 mm	79 mm	-34 mm
Thickness	14.5 mm	8.6 mm	+5.9 mm
Weight	73 g	232 g	-159 g
Screen Size	1.8"	6.8"	-5"
Volume Footprint	69.2 cm³	110.3 cm³	-41.1 cm³

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