Galaxy S26 Ultra vs Galaxy S23 size
The Galaxy S26 Ultra measures 163.6 x 78.1 x 7.9 mm and the Galaxy S23 measures 146.3 x 70.9 x 7.6 mm. The Galaxy S26 Ultra is the bigger phone. Its front covers 23.2% more area than the Galaxy S23.
- Galaxy S26 Ultra214 g163.6 x 78.1 x 7.9 mm
- Galaxy S23168 g146.3 x 70.9 x 7.6 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the Galaxy S26 Ultra measures up
| Spec | Galaxy S26 Ultra | Galaxy S23 | Difference |
|---|---|---|---|
| Height | 163.6 mm 6.44 in | 146.3 mm 5.76 in | +17.3 mm (+11.8%) |
| Width | 78.1 mm 3.07 in | 70.9 mm 2.79 in | +7.2 mm (+10.2%) |
| Thickness | 7.9 mm 0.31 in | 7.6 mm 0.30 in | +0.3 mm (+3.9%) |
| Weight | 214 g 7.5 oz | 168 g 5.9 oz | +46 g (+27.4%) |
| Screen | 6.9 in | 6.1 in | +0.8 in (+13.1%) |
| Front footprint | 127.8 cm² | 103.7 cm² | +24 cm² (+23.2%) |
What the difference feels like
The Galaxy S26 Ultra is 7.2 mm wider, an obvious difference in the hand. If you use your phone one-handed, the Galaxy S23 will be easier to reach across.
In a jeans pocket the Galaxy S26 Ultra sits 17.3 mm higher, about 0.68 inches.
The Galaxy S26 Ultra is 0.3 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.
At 46 g heavier (1.6 oz), the Galaxy S26 Ultra is noticeably heftier when you hold it up to read.
Common questions
Is the Galaxy S26 Ultra bigger than the Galaxy S23?
The Galaxy S26 Ultra is the bigger phone. Its front covers 23.2% more area than the Galaxy S23. Height differs by 17.3 mm and width by 7.2 mm.
Will a Galaxy S23 case fit the Galaxy S26 Ultra?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 17.3 mm in height and 7.2 mm in width. Buy a case made for the Galaxy S26 Ultra.
Which is easier to use with one hand?
The Galaxy S23, because it is 7.2 mm narrower. Width matters more than height for reaching across the screen with your thumb.
Cases and prices
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Sources
- Galaxy S26 Ultra: manufacturer spec page
- Galaxy S23: manufacturer spec page
See each phone's page for the full spec: Galaxy S26 Ultra and Galaxy S23.