Which phone is lighter?

Galaxy S25 Ultra is lighter at 218 g versus Galaxy Z Fold6 at 239 g (21 g difference).

Which phone is thinner?

Galaxy S25 Ultra is thinner at 8.2 mm compared with Galaxy Z Fold6 at 12.1 mm (3.90 mm difference).

Which phone is easier to carry?

Galaxy S25 Ultra is easier to carry with a smaller overall body size (77.6 × 162.8 × 8.2 mm, 218 g) than Galaxy Z Fold6 (68.1 × 153.5 × 12.1 mm, 239 g).

Which phone is better for one-handed use?

Galaxy Z Fold6 is better for one-handed use with a 68.1 mm width, 153.5 mm height, and 239 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

Which device is heavier?

Galaxy Z Fold6 is heavier at 239g compared with Galaxy S25 Ultra at 218g.

How much heavier is Galaxy S25 Ultra than Galaxy Z Fold6?

Galaxy S25 Ultra is 21g lighter than Galaxy Z Fold6 (218g vs 239g), not heavier.

Is the weight difference noticeable?

Yes — Galaxy Z Fold6 is 21g heavier than Galaxy S25 Ultra (239g vs 218g), which many people notice during extended browsing, gaming, or travel.

Device Size Comparison

Galaxy S25 Ultra vs Galaxy Z Fold6

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Comparison Summary

Galaxy S25 Ultra is significantly wider than Galaxy Z Fold6 (77.6 mm vs 68.1 mm), Galaxy Z Fold6 is significantly heavier (239 g vs 218 g), and Galaxy Z Fold6 is significantly thicker (12.1 mm vs 8.2 mm). Galaxy S25 Ultra is 9.5 mm wider and 9.3 mm taller than Galaxy Z Fold6, making Galaxy S25 Ul...

Key Differences

Weight
The Galaxy Z Fold6 is 21g heavier than the Galaxy S25 Ultra (9.6%).
Width
The Galaxy S25 Ultra is 9.5mm wider than the Galaxy Z Fold6.
Height
The Galaxy S25 Ultra is 9.3mm taller than the Galaxy Z Fold6.
Thickness
The Galaxy Z Fold6 is 3.9mm thicker than the Galaxy S25 Ultra.

Winner Cards

Smaller body

Galaxy Z Fold6

Galaxy Z Fold6 (68.1 × 153.5 mm) vs Galaxy S25 Ultra (77.6 × 162.8 mm).

Lighter weight

Galaxy S25 Ultra

Galaxy S25 Ultra (218 g) vs Galaxy Z Fold6 (239 g), 21 g lighter.

Thinner design

Galaxy S25 Ultra

Galaxy S25 Ultra (8.2 mm) vs Galaxy Z Fold6 (12.1 mm).

Pocketability

Galaxy S25 Ultra

Galaxy S25 Ultra has a smaller overall body size for pocket carry (77.6 × 162.8 × 8.2 mm).

Larger overall size

Galaxy S25 Ultra

Galaxy S25 Ultra is 9.5 mm wider and 9.3 mm taller than Galaxy Z Fold6 (77.6 × 162.8 mm vs 68.1 × 153.5 mm).

Dimension Comparison Table

Dimension	Galaxy S25 Ultra	Galaxy Z Fold6	Difference
Width	77.6 mm	68.1 mm	-9.5 mm
Height	162.8 mm	153.5 mm	-9.3 mm
Thickness	8.2 mm	12.1 mm	+3.9 mm
Weight	218 g	239 g	+21 g

Real-world Usage

Pocket Carry

The Galaxy S25 Ultra's slimmer edge may slide into jeans or jacket pockets more easily, and the Galaxy S25 Ultra has the smaller listed frame for upright storage.

One-Hand Use

The Galaxy Z Fold6's narrower face may suit one-handed scrolling, while the Galaxy S25 Ultra asks for a wider grip across the display.

Daily Comfort

Listed weight and bulk move together here: the Galaxy Z Fold6 is both heavier and larger, which can feel more substantial during routine handheld use.

Travel & Bag Carry

The Galaxy S25 Ultra uses more organizer space in a bag or backpack; the Galaxy Z Fold6 leaves more room beside cases and chargers, and the Galaxy Z Fold6 adds more listed mass to a packed carry.

Buying Recommendation

Who should choose the Galaxy S25 Ultra?

Choose the Galaxy S25 Ultra if lighter listed weight (218g vs 239g) and thinner 8.2 mm profile (vs 12.1 mm) matter most to you, even though it also has wider 77.6 mm body (vs 68.1 mm), taller 162.8 mm frame (vs 153.5 mm), and larger overall footprint (77.6 × 162.8 mm vs 68.1 × 153.5 mm) compared with the Galaxy Z Fold6.

Who should choose the Galaxy Z Fold6?

Choose the Galaxy Z Fold6 if narrower 68.1 mm width (vs 77.6 mm), shorter 153.5 mm height (vs 162.8 mm), and smaller width × height footprint (68.1 × 153.5 mm vs 77.6 × 162.8 mm) matter most to you, even though it also has higher listed weight (239g vs 218g) and thicker 12.1 mm edge (vs 8.2 mm) compared with the Galaxy S25 Ultra.

Overall recommendation

Overall, the Galaxy S25 Ultra is the more compact pick on listed size, and the Galaxy Z Fold6 is the larger option for buyers who want more physical presence from the official dimensions alone.

FAQ

Which phone is bigger?: Galaxy S25 Ultra is 9.5 mm wider and 9.3 mm taller than Galaxy Z Fold6 (77.6 × 162.8 mm vs 68.1 × 153.5 mm).
Which phone is lighter?: Galaxy S25 Ultra is lighter at 218 g versus Galaxy Z Fold6 at 239 g (21 g difference).
Which phone is thinner?: Galaxy S25 Ultra is thinner at 8.2 mm compared with Galaxy Z Fold6 at 12.1 mm (3.90 mm difference).
Which phone is easier to carry?: Galaxy S25 Ultra is easier to carry with a smaller overall body size (77.6 × 162.8 × 8.2 mm, 218 g) than Galaxy Z Fold6 (68.1 × 153.5 × 12.1 mm, 239 g).
Which phone is better for one-handed use?: Galaxy Z Fold6 is better for one-handed use with a 68.1 mm width, 153.5 mm height, and 239 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.
Which device is heavier?: Galaxy Z Fold6 is heavier at 239g compared with Galaxy S25 Ultra at 218g.
How much heavier is Galaxy S25 Ultra than Galaxy Z Fold6?: Galaxy S25 Ultra is 21g lighter than Galaxy Z Fold6 (218g vs 239g), not heavier.
Is the weight difference noticeable?: Yes — Galaxy Z Fold6 is 21g heavier than Galaxy S25 Ultra (239g vs 218g), which many people notice during extended browsing, gaming, or travel.

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