Device Size Comparison

Galaxy S25 Ultra vs Galaxy S26

Size Comparison Summary

Galaxy S25 Ultra measures 77.6 × 162.8 × 8.2 mm and weighs 218 g. Galaxy S26 measures 71.7 × 149.6 × 7.2 mm and weighs 167 g. By overall front-face area, Galaxy S25 Ultra is larger than Galaxy S26 (about 1907.0 mm² difference). Galaxy S25 Ultra is 51 g heavier than Galaxy S26. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S25 Ultra	Galaxy S26	Difference
Width	77.6 mm	71.7 mm	-5.9 mm
Height	162.8 mm	149.6 mm	-13.2 mm
Thickness	8.2 mm	7.2 mm	-1 mm
Weight	218 g	167 g	-51 g

Which is Bigger?

Overall size (width × height): Galaxy S25 Ultra has the larger footprint at 77.6 × 162.8 mm vs 71.7 × 149.6 mm (+1906.96 mm² area).
Width: Galaxy S25 Ultra is wider (77.6 mm vs 71.7 mm, +5.9 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 Galaxy S26 weighs 167 g — a difference of 51 g. Galaxy S25 Ultra is 30.5% heavier than Galaxy S26.

Thickness Comparison

Galaxy S25 Ultra is 8.2 mm thick and Galaxy S26 is 7.2 mm thick (+1 mm). Galaxy S25 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S25 Ultra or Galaxy S26?: Galaxy S25 Ultra has the larger overall footprint (77.6 × 162.8 mm) compared with Galaxy S26 (71.7 × 149.6 mm).
How much heavier is Galaxy S25 Ultra than Galaxy S26?: Galaxy S25 Ultra weighs 218 g and Galaxy S26 weighs 167 g — a difference of 51 g.
Which device is thinner, Galaxy S25 Ultra or Galaxy S26?: Galaxy S26 is thinner at 7.2 mm vs 8.2 mm for Galaxy S25 Ultra.
What is the width difference between Galaxy S25 Ultra and Galaxy S26?: Galaxy S25 Ultra is 77.6 mm wide and Galaxy S26 is 71.7 mm wide (-5.9 mm).
Can I compare Galaxy S25 Ultra and Galaxy S26 visually?: Yes. Use the Sizology comparison tool to overlay or place both devices side by side at true millimeter scale with official dimensions.

Related Comparisons

Open Galaxy S25 Ultra and Galaxy S26 in the comparison tool