No, your Galaxy S21+ case won't fit the Galaxy S24+
The Galaxy S21+ (161.5×75.6mm) and Galaxy S24+ (158.5×75.9mm) differ too much for cases to be compatible.
Does a Galaxy S21+ Case Fit Galaxy S24+?
Last verified: March 2026
No, a Galaxy S21+ case will not fit the Galaxy S24+. The phones have different dimensions that make cases incompatible.
Your Galaxy S21+ case will NOT fit the Galaxy S24+. Here's why:
- •Height differs by 3.0mm — case won't fit
- •Width differs by 0.3mm — slight mismatch
- •Camera bump size slightly different
| Spec | Galaxy S21+ | Galaxy S24+ | Diff |
|---|---|---|---|
| Height | 161.5mm | 158.5mm | Galaxy S21+ +3.0mm |
| Width | 75.6mm | 75.9mm | Galaxy S24+ +0.3mm |
| Thickness | 7.8mm | 7.7mm | Galaxy S21+ +0.1mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Since your Galaxy S21+ case won't work with the Galaxy S24+, here are the highest-rated cases that will:
OtterBox
OtterBox Commuter Series for Galaxy S24+
$39.95
OtterBox
OtterBox Defender Series for Galaxy S24+
$64.95
Caseology
Caseology Parallax for Galaxy S24+
$16.99
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
Galaxy S21+
Qi only
15W max
Galaxy S24+
Qi only
15W max
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.
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Frequently Asked Questions
Are Galaxy S21+ and Galaxy S24+ the same size?
Galaxy S21+ measures 161.5×75.6×7.8mm while Galaxy S24+ measures 158.5×75.9×7.7mm. They are different sizes.
Can I use a Galaxy S21+ screen protector on Galaxy S24+?
Same screen size (6.7") but body width differs by 0.3mm — verify bezel alignment before buying.
What's different between Galaxy S21+ and Galaxy S24+ dimensions?
The height differs by 3.0mm, the width by 0.3mm, and thickness by 0.1mm.
Do I need a new case for Galaxy S24+?
Yes, you'll need a new case. The Galaxy S24+ has different dimensions than the Galaxy S21+, so cases are not interchangeable.
Will Galaxy S21+ accessories work with Galaxy S24+?
Chargers and cables are compatible since both phones use the same usb-c port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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