No, your Galaxy S20 Ultra case won't fit the Galaxy S25
The Galaxy S20 Ultra (166.9×76mm) and Galaxy S25 (146.9×70.5mm) differ too much for cases to be compatible.
Does a Galaxy S20 Ultra Case Fit Galaxy S25?
Last verified: March 2026
No, a Galaxy S20 Ultra case will not fit the Galaxy S25. The phones have different dimensions that make cases incompatible.
Your Galaxy S20 Ultra case will NOT fit the Galaxy S25. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy S20 Ultra | Galaxy S25 | Diff |
|---|---|---|---|
| Height | 166.9mm | 146.9mm | Galaxy S20 Ultra +20.0mm |
| Width | 76mm | 70.5mm | Galaxy S20 Ultra +5.5mm |
| Thickness | 8.8mm | 7.2mm | Galaxy S20 Ultra +1.6mm |
| Camera Layout | rectangular-module | vertical-triple | Different |
| Port | usb-c | usb-c | Same |
Since your Galaxy S20 Ultra case won't work with the Galaxy S25, here are the highest-rated cases that will:
Samsung
Samsung Galaxy S25 Silicone Case
$29.99
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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 S20 Ultra
Qi only
10W max
Galaxy S25
Qi2 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 S20 Ultra and Galaxy S25 the same size?
Galaxy S20 Ultra measures 166.9×76×8.8mm while Galaxy S25 measures 146.9×70.5×7.2mm. They are different sizes.
Can I use a Galaxy S20 Ultra screen protector on Galaxy S25?
Edge types differ (curved vs flat) — screen protector won't adhere properly.
What's different between Galaxy S20 Ultra and Galaxy S25 dimensions?
The height differs by 20.0mm, the width by 5.5mm, and thickness by 1.6mm. The camera module layout is also different.
Do I need a new case for Galaxy S25?
Yes, you'll need a new case. The Galaxy S25 has different dimensions than the Galaxy S20 Ultra, so cases are not interchangeable.
Will Galaxy S20 Ultra accessories work with Galaxy S25?
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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