Size comparison

iPhone 17 vs Galaxy S25 size

The iPhone 17 measures 149.6 x 71.5 x 7.95 mm and the Galaxy S25 measures 146.9 x 70.5 x 7.2 mm. The iPhone 17 is the bigger phone. Its front covers 3.3% more area than the Galaxy S25.

Scaled to fit. Calibrate once to see real size.

iPhone 17177 g149.6 x 71.5 x 8 mm
Galaxy S25162 g146.9 x 70.5 x 7.2 mm

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

How the iPhone 17 measures up

Height, iPhone 17

+2.7 mm

Width, iPhone 17

+1 mm

Thickness, iPhone 17

+0.75 mm

Weight, iPhone 17

+15 g

Spec	iPhone 17	Galaxy S25	Difference
Height	149.6 mm 5.89 in	146.9 mm 5.78 in	+2.7 mm (+1.8%)
Width	71.5 mm 2.81 in	70.5 mm 2.78 in	+1 mm (+1.4%)
Thickness	7.95 mm 0.31 in	7.2 mm 0.28 in	+0.75 mm (+10.4%)
Weight	177 g 6.2 oz	162 g 5.7 oz	+15 g (+9.3%)
Screen	6.3 in	6.2 in	+0.1 in (+1.6%)
Front footprint	107 cm²	103.6 cm²	+3.4 cm² (+3.3%)

What the difference feels like

The iPhone 17 is 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.

In a jeans pocket the iPhone 17 sits 2.7 mm higher, about 0.11 inches.

The iPhone 17 is 0.75 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.

At 15 g heavier (0.5 oz), the iPhone 17 is noticeably heftier when you hold it up to read.

Common questions

Is the iPhone 17 bigger than the Galaxy S25?

The iPhone 17 is the bigger phone. Its front covers 3.3% more area than the Galaxy S25. Height differs by 2.7 mm and width by 1 mm.

Will a Galaxy S25 case fit the iPhone 17?

No. A case is cut for one model's exact size, buttons and camera, and these two differ by 2.7 mm in height and 1 mm in width. Buy a case made for the iPhone 17.

Which is easier to use with one hand?

The Galaxy S25, because it is 1 mm narrower. Width matters more than height for reaching across the screen with your thumb.

Cases and prices

iPhone 17 cases on Amazon iPhone 17 on Amazon Galaxy S25 cases on Amazon Galaxy S25 on Amazon

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Related comparisons

Sources

iPhone 17: manufacturer spec page
Galaxy S25: manufacturer spec page

See each phone's page for the full spec: iPhone 17 and Galaxy S25.