No, your Galaxy A51 case won't fit the Galaxy S20+
The Galaxy A51 (158.5×73.6mm) and Galaxy S20+ (161.9×73.7mm) differ too much for cases to be compatible.
Does a Galaxy A51 Case Fit Galaxy S20+?
Last verified: March 2026
No, a Galaxy A51 case will not fit the Galaxy S20+. The phones have different dimensions that make cases incompatible.
Your Galaxy A51 case will NOT fit the Galaxy S20+. Here's why:
- •Height differs by 3.4mm — case won't fit
- •Different edge profiles (flat vs curved) — case shell shape won't match
- •Corner shape differs — case won't seat properly
| Spec | Galaxy A51 | Galaxy S20+ | Diff |
|---|---|---|---|
| Height | 158.5mm | 161.9mm | Galaxy S20+ +3.4mm |
| Width | 73.6mm | 73.7mm | Galaxy S20+ +0.1mm |
| Thickness | 7.9mm | 7.8mm | Galaxy A51 +0.1mm |
| Camera Layout | vertical-quad | vertical-quad | Same |
| Port | usb-c | usb-c | Same |
Your Galaxy A51 case won't fit the Galaxy S20+. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Galaxy A51 does not support wireless charging. Only the Galaxy S20+ can use a wireless charger.
Galaxy A51
No wireless
Galaxy S20+
Qi only
10W 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 A51 and Galaxy S20+ the same size?
Galaxy A51 measures 158.5×73.6×7.9mm while Galaxy S20+ measures 161.9×73.7×7.8mm. They are different sizes.
Can I use a Galaxy A51 screen protector on Galaxy S20+?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between Galaxy A51 and Galaxy S20+ dimensions?
The height differs by 3.4mm, the width by 0.1mm, and thickness by 0.1mm.
Do I need a new case for Galaxy S20+?
Yes, you'll need a new case. The Galaxy S20+ has different dimensions than the Galaxy A51, so cases are not interchangeable.
Will Galaxy A51 accessories work with Galaxy S20+?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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