Device Size Comparison

Galaxy S25 Ultra vs iPhone 15

Size Comparison Summary

Galaxy S25 Ultra measures 77.6 × 162.8 × 8.2 mm and weighs 218 g. iPhone 15 measures 71.6 × 147.6 × 7.8 mm and weighs 171 g. By overall front-face area, Galaxy S25 Ultra is larger than iPhone 15 (about 2065.1 mm² difference). Galaxy S25 Ultra is 47 g heavier than iPhone 15. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S25 Ultra	iPhone 15	Difference
Width	77.6 mm	71.6 mm	-6 mm
Height	162.8 mm	147.6 mm	-15.2 mm
Thickness	8.2 mm	7.8 mm	-0.4 mm
Weight	218 g	171 g	-47 g

Which is Bigger?

Overall size (width × height): Galaxy S25 Ultra has the larger footprint at 77.6 × 162.8 mm vs 71.6 × 147.6 mm (+2065.12 mm² area).
Width: Galaxy S25 Ultra is wider (77.6 mm vs 71.6 mm, +6 mm).
Height: Galaxy S25 Ultra is taller (162.8 mm vs 147.6 mm, +15.2 mm).

Weight Comparison

Galaxy S25 Ultra weighs 218 g and iPhone 15 weighs 171 g — a difference of 47 g. Galaxy S25 Ultra is 27.5% heavier than iPhone 15.

Thickness Comparison

Galaxy S25 Ultra is 8.2 mm thick and iPhone 15 is 7.8 mm thick (+0.4 mm). Galaxy S25 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S25 Ultra or iPhone 15?: Galaxy S25 Ultra has the larger overall footprint (77.6 × 162.8 mm) compared with iPhone 15 (71.6 × 147.6 mm).
How much heavier is Galaxy S25 Ultra than iPhone 15?: Galaxy S25 Ultra weighs 218 g and iPhone 15 weighs 171 g — a difference of 47 g.
Which device is thinner, Galaxy S25 Ultra or iPhone 15?: iPhone 15 is thinner at 7.8 mm vs 8.2 mm for Galaxy S25 Ultra.
What is the width difference between Galaxy S25 Ultra and iPhone 15?: Galaxy S25 Ultra is 77.6 mm wide and iPhone 15 is 71.6 mm wide (-6 mm).
Can I compare Galaxy S25 Ultra and iPhone 15 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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