OnePlus 9 Pro vs Galaxy S21 Ultra: Size & Dimensions Compared
The Galaxy S21 Ultra is the larger phone, measuring 1.9mm shorter and 2.0mm narrower.
| Dimension | OnePlus 9 Pro | Galaxy S21 Ultra | Difference |
|---|---|---|---|
| Height | 163.2mm | 165.1mm | Galaxy S21 Ultra +1.9mm |
| Width | 73.6mm | 75.6mm | Galaxy S21 Ultra +2.0mm |
| Thickness | 8.7mm | 8.9mm | Galaxy S21 Ultra +0.2mm |
| Weight | 197g | 227g | Galaxy S21 Ultra +30.0g |
| Screen | 6.7" | 6.8" | Galaxy S21 Ultra +0.1" |
Visual Size Comparison
HeightGalaxy S21 Ultra +1.9mm
OnePlus 9 Pro
163.2mm
Galaxy S21 Ultra
165.1mm
WidthGalaxy S21 Ultra +2.0mm
OnePlus 9 Pro
73.6mm
Galaxy S21 Ultra
75.6mm
ThicknessGalaxy S21 Ultra +0.2mm
OnePlus 9 Pro
8.7mm
Galaxy S21 Ultra
8.9mm
Which is bigger?
The Galaxy S21 Ultra is the taller phone at 165.1mm (vs 163.2mm). It is also 30g heavier.
Upgrading from OnePlus 9 Pro to Galaxy S21 Ultra?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for OnePlus 9 Pro
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Will a OnePlus 9 Pro case fit Galaxy S21 Ultra? →Will a OnePlus 9 Pro screen protector fit Galaxy S21 Ultra? →
Frequently Asked Questions
Is OnePlus 9 Pro bigger than Galaxy S21 Ultra?
No, the Galaxy S21 Ultra is 1.9mm taller. The OnePlus 9 Pro weighs 197g vs 227g.
Are OnePlus 9 Pro and Galaxy S21 Ultra the same size?
No, the height differs by 1.9mm, width by 2.0mm, and thickness by 0.2mm.