Device Size Comparison

Galaxy S25 vs Galaxy S26 Ultra

Size Comparison Summary

Galaxy S25 measures 70.5 × 146.9 × 7.2 mm and weighs 162 g. Galaxy S26 Ultra measures 78.1 × 163.6 × 7.9 mm and weighs 214 g. By overall front-face area, Galaxy S26 Ultra is larger than Galaxy S25 (about 2420.7 mm² difference). Galaxy S26 Ultra is 52 g heavier than Galaxy S25. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S25	Galaxy S26 Ultra	Difference
Width	70.5 mm	78.1 mm	+7.6 mm
Height	146.9 mm	163.6 mm	+16.7 mm
Thickness	7.2 mm	7.9 mm	+0.7 mm
Weight	162 g	214 g	+52 g

Which is Bigger?

Overall size (width × height): Galaxy S26 Ultra has the larger footprint at 78.1 × 163.6 mm vs 70.5 × 146.9 mm (+2420.71 mm² area).
Width: Galaxy S26 Ultra is wider (78.1 mm vs 70.5 mm, +7.6 mm).
Height: Galaxy S26 Ultra is taller (163.6 mm vs 146.9 mm, +16.7 mm).

Weight Comparison

Galaxy S26 Ultra weighs 214 g and Galaxy S25 weighs 162 g — a difference of 52 g. Galaxy S26 Ultra is 32.1% heavier than Galaxy S25.

Thickness Comparison

Galaxy S26 Ultra is 7.9 mm thick and Galaxy S25 is 7.2 mm thick (+0.7 mm). Galaxy S26 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S25 or Galaxy S26 Ultra?: Galaxy S26 Ultra has the larger overall footprint (78.1 × 163.6 mm) compared with Galaxy S25 (70.5 × 146.9 mm).
How much heavier is Galaxy S26 Ultra than Galaxy S25?: Galaxy S26 Ultra weighs 214 g and Galaxy S25 weighs 162 g — a difference of 52 g.
Which device is thinner, Galaxy S25 or Galaxy S26 Ultra?: Galaxy S25 is thinner at 7.2 mm vs 7.9 mm for Galaxy S26 Ultra.
What is the width difference between Galaxy S25 and Galaxy S26 Ultra?: Galaxy S25 is 70.5 mm wide and Galaxy S26 Ultra is 78.1 mm wide (+7.6 mm).
Can I compare Galaxy S25 and Galaxy S26 Ultra 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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