Which phone is lighter?

Galaxy Z Flip6 is lighter at 187 g versus Galaxy S25 Ultra at 218 g (31 g difference).

Which phone is thinner?

Galaxy S25 Ultra is thinner at 8.2 mm compared with Galaxy Z Flip6 at 14.9 mm (6.70 mm difference).

Which phone is easier to carry?

Galaxy Z Flip6 is easier to carry with a smaller overall body size (71.9 × 85.1 × 14.9 mm, 187 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).

Which phone is better for one-handed use?

Galaxy Z Flip6 is better for one-handed use with a 71.9 mm width, 85.1 mm height, and 187 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.

Which device is heavier?

Galaxy S25 Ultra is heavier at 218g compared with Galaxy Z Flip6 at 187g.

How much heavier is Galaxy S25 Ultra than Galaxy Z Flip6?

Galaxy S25 Ultra is 31g heavier than Galaxy Z Flip6 (218g vs 187g).

Is the weight difference noticeable?

Yes — Galaxy S25 Ultra is 31g heavier than Galaxy Z Flip6 (218g vs 187g), which many people notice during extended browsing, gaming, or travel.

Device Size Comparison

Galaxy S25 Ultra vs Galaxy Z Flip6

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Comparison Summary

Galaxy S25 Ultra is significantly wider than Galaxy Z Flip6 (77.6 mm vs 71.9 mm), Galaxy S25 Ultra is significantly heavier (218 g vs 187 g), and Galaxy Z Flip6 is significantly thicker (14.9 mm vs 8.2 mm). Galaxy S25 Ultra is 5.7 mm wider and 77.7 mm taller than Galaxy Z Flip6, making Galaxy S25...

Key Differences

Height
The Galaxy S25 Ultra is 77.7mm taller than the Galaxy Z Flip6.
Weight
The Galaxy S25 Ultra is 31g heavier than the Galaxy Z Flip6 (16.6%).
Thickness
The Galaxy Z Flip6 is 6.7mm thicker than the Galaxy S25 Ultra.
Width
The Galaxy S25 Ultra is 5.7mm wider than the Galaxy Z Flip6.

Winner Cards

Smaller body

Galaxy Z Flip6

Galaxy Z Flip6 (71.9 × 85.1 mm) vs Galaxy S25 Ultra (77.6 × 162.8 mm).

Lighter weight

Galaxy Z Flip6

Galaxy Z Flip6 (187 g) vs Galaxy S25 Ultra (218 g), 31 g lighter.

Thinner design

Galaxy S25 Ultra

Galaxy S25 Ultra (8.2 mm) vs Galaxy Z Flip6 (14.9 mm).

Pocketability

Galaxy Z Flip6

Galaxy Z Flip6 has a smaller overall body size for pocket carry (71.9 × 85.1 × 14.9 mm).

Larger overall size

Galaxy S25 Ultra

Galaxy S25 Ultra is 5.7 mm wider and 77.7 mm taller than Galaxy Z Flip6 (77.6 × 162.8 mm vs 71.9 × 85.1 mm).

Dimension Comparison Table

Dimension	Galaxy S25 Ultra	Galaxy Z Flip6	Difference
Width	77.6 mm	71.9 mm	-5.7 mm
Height	162.8 mm	85.1 mm	-77.7 mm
Thickness	8.2 mm	14.9 mm	+6.7 mm
Weight	218 g	187 g	-31 g

Real-world Usage

Pocket Carry

The Galaxy Z Flip6 is the better pocket fit on paper; the Galaxy S25 Ultra may feel tighter when stored vertically in shallow pockets.

One-Hand Use

The Galaxy Z Flip6's shorter body may reduce vertical thumb travel; the Galaxy S25 Ultra covers more height when reaching the top of the screen.

Daily Comfort

Listed weight and bulk move together here: the Galaxy S25 Ultra 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 Flip6 leaves more room beside cases and chargers, and the Galaxy S25 Ultra adds more listed mass to a packed carry.

Buying Recommendation

Who should choose the Galaxy S25 Ultra?

Choose the Galaxy S25 Ultra if thinner 8.2 mm profile (vs 14.9 mm) matter most to you, even though it also has higher listed weight (218g vs 187g), wider 77.6 mm body (vs 71.9 mm), taller 162.8 mm frame (vs 85.1 mm), and larger overall footprint (77.6 × 162.8 mm vs 71.9 × 85.1 mm) compared with the Galaxy Z Flip6.

Who should choose the Galaxy Z Flip6?

Choose the Galaxy Z Flip6 if lighter listed weight (187g vs 218g), narrower 71.9 mm width (vs 77.6 mm), shorter 85.1 mm height (vs 162.8 mm), and smaller width × height footprint (71.9 × 85.1 mm vs 77.6 × 162.8 mm) matter most to you, even though it also has thicker 14.9 mm edge (vs 8.2 mm) compared with the Galaxy S25 Ultra.

Overall recommendation

Overall, the Galaxy Z Flip6 is the more compact pick on listed size, and the Galaxy S25 Ultra 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 5.7 mm wider and 77.7 mm taller than Galaxy Z Flip6 (77.6 × 162.8 mm vs 71.9 × 85.1 mm).
Which phone is lighter?: Galaxy Z Flip6 is lighter at 187 g versus Galaxy S25 Ultra at 218 g (31 g difference).
Which phone is thinner?: Galaxy S25 Ultra is thinner at 8.2 mm compared with Galaxy Z Flip6 at 14.9 mm (6.70 mm difference).
Which phone is easier to carry?: Galaxy Z Flip6 is easier to carry with a smaller overall body size (71.9 × 85.1 × 14.9 mm, 187 g) than Galaxy S25 Ultra (77.6 × 162.8 × 8.2 mm, 218 g).
Which phone is better for one-handed use?: Galaxy Z Flip6 is better for one-handed use with a 71.9 mm width, 85.1 mm height, and 187 g weight versus Galaxy S25 Ultra at 77.6 mm, 162.8 mm, and 218 g.
Which device is heavier?: Galaxy S25 Ultra is heavier at 218g compared with Galaxy Z Flip6 at 187g.
How much heavier is Galaxy S25 Ultra than Galaxy Z Flip6?: Galaxy S25 Ultra is 31g heavier than Galaxy Z Flip6 (218g vs 187g).
Is the weight difference noticeable?: Yes — Galaxy S25 Ultra is 31g heavier than Galaxy Z Flip6 (218g vs 187g), which many people notice during extended browsing, gaming, or travel.

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