Device Size Comparison
Height
The Galaxy S23 Ultra is 78.3mm taller than the Galaxy Z Flip6.
Weight
The Galaxy S23 Ultra is 47g heavier than the Galaxy Z Flip6 (25.1%).
Thickness
The Galaxy Z Flip6 is 6mm thicker than the Galaxy S23 Ultra.
Width
The Galaxy S23 Ultra is 6.2mm wider than the Galaxy Z Flip6.
Smaller body
Galaxy Z Flip6
Galaxy Z Flip6 (71.9 × 85.1 mm) vs Galaxy S23 Ultra (78.1 × 163.4 mm).
Lighter weight
Galaxy Z Flip6
Galaxy Z Flip6 (187 g) vs Galaxy S23 Ultra (234 g), 47 g lighter.
Thinner design
Galaxy S23 Ultra
Galaxy S23 Ultra (8.9 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 S23 Ultra
Galaxy S23 Ultra is 6.2 mm wider and 78.3 mm taller than Galaxy Z Flip6 (78.1 × 163.4 mm vs 71.9 × 85.1 mm).
| Dimension | Galaxy S23 Ultra | Galaxy Z Flip6 | Difference |
|---|---|---|---|
| Width | 78.1 mm | 71.9 mm | -6.2 mm |
| Height | 163.4 mm | 85.1 mm | -78.3 mm |
| Thickness | 8.9 mm | 14.9 mm | +6 mm |
| Weight | 234 g | 187 g | -47 g |
Pocket Carry
The Galaxy Z Flip6 is the better pocket fit on paper; the Galaxy S23 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 S23 Ultra covers more height when reaching the top of the screen.
Daily Comfort
Listed weight and bulk move together here: the Galaxy S23 Ultra 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 Flip6 leaves more room beside cases and chargers, and the Galaxy S23 Ultra adds more listed mass to a packed carry.
Who should choose the Galaxy S23 Ultra?
Choose the Galaxy S23 Ultra if thinner 8.9 mm profile (vs 14.9 mm) matter most to you, even though it also has higher listed weight (234g vs 187g), wider 78.1 mm body (vs 71.9 mm), taller 163.4 mm frame (vs 85.1 mm), and larger overall footprint (78.1 × 163.4 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 234g), narrower 71.9 mm width (vs 78.1 mm), shorter 85.1 mm height (vs 163.4 mm), and smaller width × height footprint (71.9 × 85.1 mm vs 78.1 × 163.4 mm) matter most to you, even though it also has thicker 14.9 mm edge (vs 8.9 mm) compared with the Galaxy S23 Ultra.
Overall recommendation
Overall, the Galaxy Z Flip6 is the more compact pick on listed size, and the Galaxy S23 Ultra 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 Flip6 in the comparison tool