Device Size Comparison
Width
The Galaxy S23 Ultra is 10mm wider than the Galaxy Z Fold6.
Height
The Galaxy S23 Ultra is 9.9mm taller than the Galaxy Z Fold6.
Thickness
The Galaxy Z Fold6 is 3.2mm thicker than the Galaxy S23 Ultra.
Weight
The Galaxy Z Fold6 is 5g heavier than the Galaxy S23 Ultra (2.1%).
Smaller body
Galaxy Z Fold6
Galaxy Z Fold6 (68.1 × 153.5 mm) vs Galaxy S23 Ultra (78.1 × 163.4 mm).
Lighter weight
Galaxy S23 Ultra
Galaxy S23 Ultra (234 g) vs Galaxy Z Fold6 (239 g), 5 g lighter.
Thinner design
Galaxy S23 Ultra
Galaxy S23 Ultra (8.9 mm) vs Galaxy Z Fold6 (12.1 mm).
Pocketability
Galaxy S23 Ultra
Galaxy S23 Ultra has a smaller overall body size for pocket carry (78.1 × 163.4 × 8.9 mm).
Larger overall size
Galaxy S23 Ultra
Galaxy S23 Ultra is 10 mm wider and 9.9 mm taller than Galaxy Z Fold6 (78.1 × 163.4 mm vs 68.1 × 153.5 mm).
| Dimension | Galaxy S23 Ultra | Galaxy Z Fold6 | Difference |
|---|---|---|---|
| Width | 78.1 mm | 68.1 mm | -10 mm |
| Height | 163.4 mm | 153.5 mm | -9.9 mm |
| Thickness | 8.9 mm | 12.1 mm | +3.2 mm |
| Weight | 234 g | 239 g | +5 g |
Pocket Carry
The Galaxy S23 Ultra's slimmer edge may slide into jeans or jacket pockets more easily, and the Galaxy S23 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 S23 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 S23 Ultra uses more organizer space in a bag or backpack; the Galaxy Z Fold6 leaves more room beside cases and chargers.
Who should choose the Galaxy S23 Ultra?
Choose the Galaxy S23 Ultra if lighter listed weight (234g vs 239g) and thinner 8.9 mm profile (vs 12.1 mm) matter most to you, even though it also has wider 78.1 mm body (vs 68.1 mm), taller 163.4 mm frame (vs 153.5 mm), and larger overall footprint (78.1 × 163.4 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 78.1 mm), shorter 153.5 mm height (vs 163.4 mm), and smaller width × height footprint (68.1 × 153.5 mm vs 78.1 × 163.4 mm) matter most to you, even though it also has higher listed weight (239g vs 234g) and thicker 12.1 mm edge (vs 8.9 mm) compared with the Galaxy S23 Ultra.
Overall recommendation
Overall, the Galaxy S23 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.
More size comparisons from the same device families, brands, and recent flagship models.
Open Galaxy S23 Ultra and Galaxy Z Fold6 in the comparison tool