Size comparison

Galaxy S25 vs iPhone 16 size

The Galaxy S25 measures 146.9 x 70.5 x 7.2 mm and the iPhone 16 measures 147.6 x 71.6 x 7.8 mm. The iPhone 16 is the bigger phone. Its front covers 2.0% more area than the Galaxy S25.

Scaled to fit. Calibrate once to see real size.

Galaxy S25162 g146.9 x 70.5 x 7.2 mm
iPhone 16170 g147.6 x 71.6 x 7.8 mm

Outlines are drawn from published dimensions. Screen and camera shapes are simplified.

How the Galaxy S25 measures up

Height, Galaxy S25

-0.7 mm

Width, Galaxy S25

-1.1 mm

Thickness, Galaxy S25

-0.6 mm

Weight, Galaxy S25

-8 g

Spec	Galaxy S25	iPhone 16	Difference
Height	146.9 mm 5.78 in	147.6 mm 5.81 in	-0.7 mm (-0.5%)
Width	70.5 mm 2.78 in	71.6 mm 2.82 in	-1.1 mm (-1.5%)
Thickness	7.2 mm 0.28 in	7.8 mm 0.31 in	-0.6 mm (-7.7%)
Weight	162 g 5.7 oz	170 g 6.0 oz	-8 g (-4.7%)
Screen	6.2 in	6.1 in	+0.1 in (+1.6%)
Front footprint	103.6 cm²	105.7 cm²	-2.1 cm² (-2.0%)

What the difference feels like

The iPhone 16 is 1.1 mm wider. That is small, but you can feel it when you wrap your hand around the phone, and it adds a little stretch for one-handed typing.

Height is almost identical, so they sit the same in a pocket.

The iPhone 16 is 0.6 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.

The iPhone 16 is 8 g heavier, which most people will not notice day to day.

Common questions

Is the Galaxy S25 bigger than the iPhone 16?

The iPhone 16 is the bigger phone. Its front covers 2.0% more area than the Galaxy S25. Height differs by 0.7 mm and width by 1.1 mm.

Will a iPhone 16 case fit the Galaxy S25?

No. A case is cut for one model's exact size, buttons and camera, and these two differ by 0.7 mm in height and 1.1 mm in width. Buy a case made for the Galaxy S25.

Which is easier to use with one hand?

The Galaxy S25, because it is 1.1 mm narrower. Width matters more than height for reaching across the screen with your thumb.

Cases and prices

Galaxy S25 cases on Amazon Galaxy S25 on Amazon iPhone 16 cases on Amazon iPhone 16 on Amazon

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Related comparisons

Sources

Galaxy S25: manufacturer spec page
iPhone 16: manufacturer spec page

See each phone's page for the full spec: Galaxy S25 and iPhone 16.