Galaxy S23 vs Galaxy S23 Ultra size
The Galaxy S23 measures 146.3 x 70.9 x 7.6 mm and the Galaxy S23 Ultra measures 163.4 x 78.1 x 8.9 mm. The Galaxy S23 Ultra is the bigger phone. Its front covers 18.7% more area than the Galaxy S23.
- Galaxy S23168 g146.3 x 70.9 x 7.6 mm
- Galaxy S23 Ultra234 g163.4 x 78.1 x 8.9 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the Galaxy S23 measures up
| Spec | Galaxy S23 | Galaxy S23 Ultra | Difference |
|---|---|---|---|
| Height | 146.3 mm 5.76 in | 163.4 mm 6.43 in | -17.1 mm (-10.5%) |
| Width | 70.9 mm 2.79 in | 78.1 mm 3.07 in | -7.2 mm (-9.2%) |
| Thickness | 7.6 mm 0.30 in | 8.9 mm 0.35 in | -1.3 mm (-14.6%) |
| Weight | 168 g 5.9 oz | 234 g 8.3 oz | -66 g (-28.2%) |
| Screen | 6.1 in | 6.8 in | -0.7 in (-10.3%) |
| Front footprint | 103.7 cm² | 127.6 cm² | -23.9 cm² (-18.7%) |
What the difference feels like
The Galaxy S23 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 S23 Ultra sits 17.1 mm higher, about 0.67 inches.
The Galaxy S23 Ultra is 1.3 mm thicker. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.
At 66 g heavier (2.3 oz), the Galaxy S23 Ultra is noticeably heftier when you hold it up to read.
Common questions
Is the Galaxy S23 bigger than the Galaxy S23 Ultra?
The Galaxy S23 Ultra is the bigger phone. Its front covers 18.7% more area than the Galaxy S23. Height differs by 17.1 mm and width by 7.2 mm.
Will a Galaxy S23 Ultra case fit the Galaxy S23?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 17.1 mm in height and 7.2 mm in width. Buy a case made for the Galaxy S23.
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
Shop links go to Amazon. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Related comparisons
- Galaxy S26 FE vs Galaxy S23
- Galaxy S26 Ultra vs Galaxy S23
- Galaxy S26+ vs Galaxy S23
- Galaxy S26 vs Galaxy S23
- Galaxy A17 5G vs Galaxy S23
- Galaxy S25 FE vs Galaxy S23
- Galaxy S25 Edge vs Galaxy S23
- Galaxy A36 5G vs Galaxy S23
- Galaxy A26 5G vs Galaxy S23
- Galaxy S25 Ultra vs Galaxy S23
- Galaxy S25+ vs Galaxy S23
- Galaxy S25 vs Galaxy S23
Sources
- Galaxy S23: manufacturer spec page
- Galaxy S23 Ultra: manufacturer spec page
See each phone's page for the full spec: Galaxy S23 and Galaxy S23 Ultra.