Which phone is lighter?

Galaxy S25 is lighter at 162 g versus Galaxy S26 Ultra at 214 g (52 g difference).

Which phone is thinner?

Galaxy S25 is thinner at 7.2 mm compared with Galaxy S26 Ultra at 7.9 mm (0.70 mm difference).

Which phone is easier to carry?

Galaxy S25 is easier to carry with a smaller overall body size (70.5 × 146.9 × 7.2 mm, 162 g) than Galaxy S26 Ultra (78.1 × 163.6 × 7.9 mm, 214 g).

Which phone is better for one-handed use?

Galaxy S25 is better for one-handed use with a 70.5 mm width, 146.9 mm height, and 162 g weight versus Galaxy S26 Ultra at 78.1 mm, 163.6 mm, and 214 g.

Device Size Comparison

Galaxy S25 vs Galaxy S26 Ultra

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Comparison Summary

Galaxy S26 Ultra is significantly wider than Galaxy S25 (78.1 mm vs 70.5 mm), Galaxy S26 Ultra is significantly heavier (214 g vs 162 g), and Galaxy S26 Ultra is noticeably thicker (7.9 mm vs 7.2 mm). Galaxy S26 Ultra is 7.6 mm wider and 16.7 mm taller than Galaxy S25, making Galaxy S26 Ultra sig...

Winner Cards

Smaller body

Galaxy S25

Galaxy S25 (70.5 × 146.9 mm) vs Galaxy S26 Ultra (78.1 × 163.6 mm).

Lighter weight

Galaxy S25

Galaxy S25 (162 g) vs Galaxy S26 Ultra (214 g), 52 g lighter.

Thinner design

Galaxy S25

Galaxy S25 (7.2 mm) vs Galaxy S26 Ultra (7.9 mm).

Pocketability

Galaxy S25

Galaxy S25 has a smaller overall body size for pocket carry (70.5 × 146.9 × 7.2 mm).

Larger overall size

Galaxy S26 Ultra

Galaxy S26 Ultra is 7.6 mm wider and 16.7 mm taller than Galaxy S25 (78.1 × 163.6 mm vs 70.5 × 146.9 mm).

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

Real-World Feel

Galaxy S25 is easier to grip one-handed with a 70.5 mm width and 146.9 mm height, while Galaxy S26 Ultra may require more finger stretching (78.1 mm × 163.6 mm).
Galaxy S25 slides into pockets more comfortably at 7.2 mm thick, and Galaxy S25 has the smaller overall body for vertical pocket storage.
Galaxy S25 (162 g) feels noticeably lighter during extended one-handed use than Galaxy S26 Ultra (214 g), a 52 g difference that adds up over time.
Galaxy S26 Ultra takes up more desk and bag space at 78.1 × 163.6 × 7.9 mm, while Galaxy S25 leaves more room for cases, chargers, and other items.

Which is Bigger?

Overall size: Galaxy S26 Ultra is 7.6 mm wider and 16.7 mm taller than Galaxy S25, making Galaxy S26 Ultra significantly larger overall.
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 phone is bigger?: Galaxy S26 Ultra is 7.6 mm wider and 16.7 mm taller than Galaxy S25 (78.1 × 163.6 mm vs 70.5 × 146.9 mm).
Which phone is lighter?: Galaxy S25 is lighter at 162 g versus Galaxy S26 Ultra at 214 g (52 g difference).
Which phone is thinner?: Galaxy S25 is thinner at 7.2 mm compared with Galaxy S26 Ultra at 7.9 mm (0.70 mm difference).
Which phone is easier to carry?: Galaxy S25 is easier to carry with a smaller overall body size (70.5 × 146.9 × 7.2 mm, 162 g) than Galaxy S26 Ultra (78.1 × 163.6 × 7.9 mm, 214 g).
Which phone is better for one-handed use?: Galaxy S25 is better for one-handed use with a 70.5 mm width, 146.9 mm height, and 162 g weight versus Galaxy S26 Ultra at 78.1 mm, 163.6 mm, and 214 g.

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Open Galaxy S25 and Galaxy S26 Ultra in the comparison tool