Device Size Comparison

Galaxy S25 Ultra vs iPhone 17

Size Comparison Summary

Galaxy S25 Ultra measures 77.6 × 162.8 × 8.2 mm and weighs 218 g. iPhone 17 measures 71.5 × 149.6 × 7.95 mm and weighs 177 g. By overall front-face area, Galaxy S25 Ultra is larger than iPhone 17 (about 1936.9 mm² difference). Galaxy S25 Ultra is 41 g heavier than iPhone 17. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S25 Ultra	iPhone 17	Difference
Width	77.6 mm	71.5 mm	-6.1 mm
Height	162.8 mm	149.6 mm	-13.2 mm
Thickness	8.2 mm	7.95 mm	-0.25 mm
Weight	218 g	177 g	-41 g

Which is Bigger?

Overall size (width × height): Galaxy S25 Ultra has the larger footprint at 77.6 × 162.8 mm vs 71.5 × 149.6 mm (+1936.88 mm² area).
Width: Galaxy S25 Ultra is wider (77.6 mm vs 71.5 mm, +6.1 mm).
Height: Galaxy S25 Ultra is taller (162.8 mm vs 149.6 mm, +13.2 mm).

Weight Comparison

Galaxy S25 Ultra weighs 218 g and iPhone 17 weighs 177 g — a difference of 41 g. Galaxy S25 Ultra is 23.2% heavier than iPhone 17.

Thickness Comparison

Galaxy S25 Ultra is 8.2 mm thick and iPhone 17 is 7.95 mm thick (+0.25 mm). Galaxy S25 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S25 Ultra or iPhone 17?: Galaxy S25 Ultra has the larger overall footprint (77.6 × 162.8 mm) compared with iPhone 17 (71.5 × 149.6 mm).
How much heavier is Galaxy S25 Ultra than iPhone 17?: Galaxy S25 Ultra weighs 218 g and iPhone 17 weighs 177 g — a difference of 41 g.
Which device is thinner, Galaxy S25 Ultra or iPhone 17?: iPhone 17 is thinner at 7.95 mm vs 8.2 mm for Galaxy S25 Ultra.
What is the width difference between Galaxy S25 Ultra and iPhone 17?: Galaxy S25 Ultra is 77.6 mm wide and iPhone 17 is 71.5 mm wide (-6.1 mm).
Can I compare Galaxy S25 Ultra and iPhone 17 visually?: Yes. Use the Sizology comparison tool to overlay or place both devices side by side at true millimeter scale with official dimensions.

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