Device Size Comparison

Galaxy S23 vs Galaxy S26 Ultra

Size Comparison Summary

Galaxy S23 measures 70.9 × 146.3 × 7.6 mm and weighs 168 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 S23 (about 2404.5 mm² difference). Galaxy S26 Ultra is 46 g heavier than Galaxy S23. All figures use official millimeter dimensions.

Dimensions Table

Dimension	Galaxy S23	Galaxy S26 Ultra	Difference
Width	70.9 mm	78.1 mm	+7.2 mm
Height	146.3 mm	163.6 mm	+17.3 mm
Thickness	7.6 mm	7.9 mm	+0.3 mm
Weight	168 g	214 g	+46 g

Which is Bigger?

Overall size (width × height): Galaxy S26 Ultra has the larger footprint at 78.1 × 163.6 mm vs 70.9 × 146.3 mm (+2404.49 mm² area).
Width: Galaxy S26 Ultra is wider (78.1 mm vs 70.9 mm, +7.2 mm).
Height: Galaxy S26 Ultra is taller (163.6 mm vs 146.3 mm, +17.3 mm).

Weight Comparison

Galaxy S26 Ultra weighs 214 g and Galaxy S23 weighs 168 g — a difference of 46 g. Galaxy S26 Ultra is 27.4% heavier than Galaxy S23.

Thickness Comparison

Galaxy S26 Ultra is 7.9 mm thick and Galaxy S23 is 7.6 mm thick (+0.3 mm). Galaxy S26 Ultra is the thicker device in hand.

FAQ

Which is bigger, Galaxy S23 or Galaxy S26 Ultra?: Galaxy S26 Ultra has the larger overall footprint (78.1 × 163.6 mm) compared with Galaxy S23 (70.9 × 146.3 mm).
How much heavier is Galaxy S26 Ultra than Galaxy S23?: Galaxy S26 Ultra weighs 214 g and Galaxy S23 weighs 168 g — a difference of 46 g.
Which device is thinner, Galaxy S23 or Galaxy S26 Ultra?: Galaxy S23 is thinner at 7.6 mm vs 7.9 mm for Galaxy S26 Ultra.
What is the width difference between Galaxy S23 and Galaxy S26 Ultra?: Galaxy S23 is 70.9 mm wide and Galaxy S26 Ultra is 78.1 mm wide (+7.2 mm).
Can I compare Galaxy S23 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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