Galaxy S21 Ultra vs Galaxy S23+: Size & Dimensions Compared
The Galaxy S21 Ultra is the larger phone, measuring 7.3mm taller and 0.6mm narrower.
| Dimension | Galaxy S21 Ultra | Galaxy S23+ | Difference |
|---|---|---|---|
| Height | 165.1mm | 157.8mm | Galaxy S21 Ultra +7.3mm |
| Width | 75.6mm | 76.2mm | Galaxy S23+ +0.6mm |
| Thickness | 8.9mm | 7.6mm | Galaxy S21 Ultra +1.3mm |
| Weight | 227g | 196g | Galaxy S21 Ultra +31.0g |
| Screen | 6.8" | 6.6" | Galaxy S21 Ultra +0.2" |
Visual Size Comparison
HeightGalaxy S21 Ultra +7.3mm
Galaxy S21 Ultra
165.1mm
Galaxy S23+
157.8mm
WidthGalaxy S23+ +0.6mm
Galaxy S21 Ultra
75.6mm
Galaxy S23+
76.2mm
ThicknessGalaxy S21 Ultra +1.3mm
Galaxy S21 Ultra
8.9mm
Galaxy S23+
7.6mm
Which is bigger?
The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 157.8mm). It is also 31g heavier.
Upgrading from Galaxy S21 Ultra to Galaxy S23+?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S21 Ultra
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Will a Galaxy S21 Ultra case fit Galaxy S23+? →Will a Galaxy S21 Ultra screen protector fit Galaxy S23+? →
Frequently Asked Questions
Is Galaxy S21 Ultra bigger than Galaxy S23+?
Yes, the Galaxy S21 Ultra is 7.3mm taller and 0.6mm narrower. The Galaxy S21 Ultra weighs 227g vs 196g.
Are Galaxy S21 Ultra and Galaxy S23+ the same size?
No, the height differs by 7.3mm, width by 0.6mm, and thickness by 1.3mm.