Galaxy S23+ vs Galaxy S21: Size & Dimensions Compared
The Galaxy S23+ is the larger phone, measuring 6.1mm taller and 5.0mm wider.
Visual Size Overlay
- •Height differs by 6.1mm — case won't fit
- •Width differs by 5.0mm — case won't fit
- •Thickness differs by 0.3mm — may affect fit
Screen sizes differ (6.6" vs 6.2") — protector won't fit.
| Dimension | Galaxy S23+ | Galaxy S21 | Difference |
|---|---|---|---|
| Height | 157.8mm | 151.7mm | Galaxy S21 -6.1mm (shorter) |
| Width | 76.2mm | 71.2mm | Galaxy S21 -5.0mm (narrower) |
| Thickness | 7.6mm | 7.9mm | Galaxy S21 +0.3mm (thicker) |
| Weight | 196g | 169g | Galaxy S21 -27.0g (lighter) |
| Screen | 6.6" | 6.2" | Galaxy S21 -0.4" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The Galaxy S23+ is the taller phone at 157.8mm (vs 151.7mm). It is also 27g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ✓Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
| Spec | Galaxy S23+ | Galaxy S21 |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | Qi |
| MagSafe | No | No |
| Built-in Magnets | No | No |
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
Upgrading from Galaxy S23+ to Galaxy S21?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Galaxy S23+
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Frequently Asked Questions
Is Galaxy S23+ bigger than Galaxy S21?
Yes, the Galaxy S23+ is 6.1mm taller and 5.0mm wider. The Galaxy S23+ weighs 196g vs 169g.
Are Galaxy S23+ and Galaxy S21 the same size?
No, the height differs by 6.1mm, width by 5.0mm, and thickness by 0.3mm.